APA način citiranja (7. izdanje)
Wirtz, J. (2016). Services marketing: People, technology, strategy (8th ed.). World Scientific.
Čikaški stil citiranja (17. izdanje)
Wirtz, Jochen. Services Marketing: People, Technology, Strategy. 8th ed. New Jersey: World Scientific, 2016.
MLA način citiranja (9. izdanje)
Wirtz, Jochen. Services Marketing: People, Technology, Strategy. 8th ed. World Scientific, 2016.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.