APA aipamena

woodruffe, H. (1997). Services marketing. Macmillan.

Chicago Style aipamena

woodruffe, Helen. Services Marketing. Delhi: Macmillan, 1997.

MLA aipamena

woodruffe, Helen. Services Marketing. Macmillan, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.