Wirtz,Jochen, & Lovelock,Christopher. (2022). Service Marketing: People, Technology & Strategy (9th.). World scientific.
Čikaški stil citiranja (17. izdanje)Wirtz,Jochen, i Lovelock,Christopher. Service Marketing: People, Technology & Strategy. 9th. USA: World scientific, 2022.
MLA način citiranja (9. izdanje)Wirtz,Jochen, i Lovelock,Christopher. Service Marketing: People, Technology & Strategy. 9th. World scientific, 2022.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.