APA aipamena

Johnston Robert. (2008). Service Operations Management (2nd.). Pearson.

Chicago Style aipamena

Johnston Robert. Service Operations Management. 2nd. Noida: Pearson, 2008.

MLA aipamena

Johnston Robert. Service Operations Management. 2nd. Pearson, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.