APA-Zitierstil (7. Ausg.)

Snow, D., & Yanovitch, T. (2010). Unleashing excellence: The complete guide to ultimate customer service (2. ed., updated and expanded.). Wiley.

Chicago-Zitierstil (17. Ausg.)

Snow, Dennis, und Teri Yanovitch. Unleashing Excellence: The Complete Guide to Ultimate Customer Service. 2. ed., updated and expanded. Hoboken, NJ: Wiley, 2010.

MLA-Zitierstil (9. Ausg.)

Snow, Dennis, und Teri Yanovitch. Unleashing Excellence: The Complete Guide to Ultimate Customer Service. 2. ed., updated and expanded. Wiley, 2010.