KAMIN MAXINE. (2006). CUSTOMER SERVICE TRAINING (1ST.). PERGAMON FLEXIBLE LEARNING.
Chicago Style (17. basım) AtıfKAMIN MAXINE. CUSTOMER SERVICE TRAINING. 1ST. OXFORD: PERGAMON FLEXIBLE LEARNING, 2006.
MLA (9th ed.) AtıfKAMIN MAXINE. CUSTOMER SERVICE TRAINING. 1ST. PERGAMON FLEXIBLE LEARNING, 2006.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..