Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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