APA aipamena

Zeithml, V. A. (1996). Service Marketing Valerie A. Zeithml. McGraw-Hill.

Chicago Style aipamena

Zeithml, Valerie A. Service Marketing Valerie A. Zeithml. McGraw-Hill, 1996.

MLA aipamena

Zeithml, Valerie A. Service Marketing Valerie A. Zeithml. McGraw-Hill, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.