APA aipamena

Wirtz, J. Services Marketing: People, Technology, Strategy (9th.). World Scientific.

Chicago Style aipamena

Wirtz, Jochen. Services Marketing: People, Technology, Strategy. 9th. World Scientific.

MLA aipamena

Wirtz, Jochen. Services Marketing: People, Technology, Strategy. 9th. World Scientific.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.