Zemke, R., & Bell, C. (2006). Service magic: The art of amazing your customers. Corpus collosum.
Chicago Stili AlıntıZemke, Ron, ve Chip Bell. Service Magic: The Art of Amazing Your Customers. New Delhi: Corpus collosum, 2006.
MLA AlıntıZemke, Ron, ve Chip Bell. Service Magic: The Art of Amazing Your Customers. Corpus collosum, 2006.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..