APA aipamena

Woodruffe, H. (1992). Services marketing. Macmillan.

Chicago Style aipamena

Woodruffe, Helen. Services Marketing. Delhi: Macmillan, 1992.

MLA aipamena

Woodruffe, Helen. Services Marketing. Macmillan, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.