APA aipamena

Kurtz, D. L. (1998). Services marketing. New york, NY: John Wiley and Sons.

Chicago Style aipamena

Kurtz, David L. Services Marketing. New york, NY: John Wiley and Sons, 1998.

MLA aipamena

Kurtz, David L. Services Marketing. New york, NY: John Wiley and Sons, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.