APA (7th ed.) Zitazioa

Timm, P. R. (2008). Customer service: Career success through customer loyalty. Pearson.

Chicago Style (17th ed.) Zitazioa

Timm, Paul R. Customer Service: Career Success Through Customer Loyalty. Delhi: Pearson, 2008.

MLA (9th ed.) Zitazioa

Timm, Paul R. Customer Service: Career Success Through Customer Loyalty. Pearson, 2008.