APA aipamena

Wirtz,Jochen & others. (2018). Services Marketing (8.). Pearson.

Chicago Style aipamena

Wirtz,Jochen & others. Services Marketing. 8. Nodia: Pearson, 2018.

MLA aipamena

Wirtz,Jochen & others. Services Marketing. 8. Pearson, 2018.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.