APA (7th ed.) Zitazioa

Quinn, M. (2006). Superior customer service: The prompt approach to success. Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Quinn, Michael. Superior Customer Service: The Prompt Approach to Success. New Delhi: Prentice-Hall, 2006.

MLA (9th ed.) Zitazioa

Quinn, Michael. Superior Customer Service: The Prompt Approach to Success. Prentice-Hall, 2006.