APA aipamena

Zeithaml,Valarie A, Bitner,Mary Jo, Gremler,Dwayne D, & Ajay pandit. (2018). Services Marketing. McGraw Hill.

Chicago Style aipamena

Zeithaml,Valarie A, Bitner,Mary Jo, Gremler,Dwayne D, and Ajay pandit. Services Marketing. Chennai: McGraw Hill, 2018.

MLA aipamena

Zeithaml,Valarie A, et al. Services Marketing. McGraw Hill, 2018.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.