Für einige Bilder wurden urhebergeschützte Werke von Fotografen genutzt, die ihre Werke über verschiedene Anbieter zur Verfügung gestellt haben.

• Fußgänger überqueren geschäftigen Einkaufsstraße, der Friedrichstrasse, Berlin, Deutschland © B&M Noskowski – istockphoto 
• Ambitionierte business-Probleme © bernardbodo – istockphoto 
• Luxemburg Stadt © thinkstockphoto – PocholoCalapre , infas.lu
• Business man detail of smartwatch © francemora – fotolia
• Man waiting at the bus station and looking at his smart-phone © Paolese – fotolia
• Destination Idylle © oculocentric – Photocase
• Family reunion © Jovana Milanko – stocksy
• SCHÖNE AUSSICHTEN © 106313 – Photocase
• Senior woman taking cups from a shelf in the kitchen © Davide Illini – stocksy
• Small child holds asthma inhaler in his hands. © onlynuta – fotolia
• person aged group doing water aerobics in a swimming pool during a spa treatment © pixinoo – shutterstock
• Destination Idylle © 2017 oculocentric – Photocase
• Unrecognizable young runner tying her shoelaces. Studio shot on wooden floor background. © Halfpoint – shutterstock.com
• Attractive teenage girl with red orange hair talking over her pink smartphone in public transport looking through window in a sunsetting light – rear view © Papuchalka – kaelaimages – shutterstock, Datenspuren
• Liebevolle Seniorenpaar mit Digitaltablett wie zu Hause fühlen., © jacoblund – iStockphoto, Alterssurvey (Startseite)
• Business Concept, Pile of unfinished documents on office desk, Stack of business paper © jat306 – fotolia, WSI veröffentlicht Studie: Arbeitnehmer unter Druck
• Innsbruck © lesyast – fotolia, Österreich unterwegs: Ministerium präsentiert die Ergebnisse
• Unterschreiben ein Formular © Ridofranz – thinkstock, infas ist jetzt zertifiziert nach ISO 20252
• Using cellphone with de-focused city tram. © Jörg Hackeman – fotolia, Mobilitätsstudie für „Deutschland – Land der Ideen“
• doctor putting to girl plaster on the sore finger © Saklakova – Getty Images/iStockphoto, Versorgung
• Membercard eines Carsharingunternehmens © RAM – Fotolia,
• Crowd of anonymous people walking on busy New York City street © blvdone – shutterstock,
• Many pills and tablets on black background. © JK1991 Getty Images/iStockphoto – thinkstock, Neuroenhancement-Studie
• Mid section view of a male doctor checking the blood pressure of a patient © Getty Images/Purestock – thinkstock,
• Abstract sphere from connected white dots… © Alexei Tacu – shutterstock,
• Crash test dummy isolated current value © current value – shutterstock,
• Researcher Pipetting liquid on a Petri Dish ©harodominguez – Getty Images/iStockphoto,
• Winter city scene. Woman on bike in traffic © connel_design – Fotolia, „Mobilität in Deutschland“
• Menschentraube © priamos – Photocase.de
• White office shelves with different stationery © serezniy – istockphoto.com
• Your goods will be in a safe place © Yuri_Arcurs  – istockphoto.com
• Closeup of car tachometer with many illuminated indicators © mkos83 – istockphoto.com
• Business Seminar © vm – istockphoto.com
• Coloured Balconies © kelvinjay – istockphoto.com
• International Travel © JoeGough – istockphoto.com
• Computer workshop © vm  – istockphoto.com
• Child Holding a Touch Screen Tablet © blackred – istockphoto.com
• carpenter craftsman © Gitanna – istockphoto.com
• Three generations of men © Rayes – thinkstock.com
• Businesswoman With Daughter © Getty Images/Fuse – thinkstock.com
• Global economy © Getty Images/iStockphoto – thinkstock.com
• University students studying, from above © Getty Images/moodboard RF – thinkstock.com
• Paragraphenreiter © Blackfish – Photocase.de
• Windkraftwerk © frogs-eye-view – Photocase.de
• guten morgen! © kallejipp – Photocase.de
• Alleinstellungsmerkmal © sör alex – Photocase.de
• somehow © himberry – Photocase.de
• KUNDE IST KÖNIG © ZWEISAM – Photocase.de
• Jede Stimme zählt © !time. – Photocase.de
• #297155 © view7 – Photocase.de
• Designerfrühstück © speednik – Photocase.de
• Jackpot © elektrolab – Photocase.de
• Hoch hinaus © luxuz::. – Photocase.de
• polaroid © markusspiske – Photocase.de
• native © uomo – Photocase.de
• (7*5)+11-4=? © clafouti – Photocase.de
• Abgwürgt am Kreisverkehr © AllzweckJack – Photocase.de
• NaCl-TV   arnd – Photocase.de
• 1euro = 1dm ! elke – Photocase.de
• Computer © Getty Images/moodboard RF – thinkstock.com
• Businesswoman writing on a form © sepy – Fotolia.de
• Kleine Sau © suze – Photocase.de
• Stuttgart city at night © Dontsov  – istockphoto.com
• Shibuya, Tokyo, Japan © Sean Pavone   – istockphoto.com
• Auf zur Sonne! © misterQM – Photocase.de
• find your way © kallejipp – Photocase.de
• Crowd of anonymous people walking on busy New York City street © blvdone – shutterstock.com, infas-Politogramm
• Vier männliche Athleten am späten Nachmittag über See rudern © simonkr – istockphoto.com