APA (7. basım) Alıntı

Tschohl, J. (1997). Achieving excellence through customer service. Jaico.

Chicago Style (17. basım) Atıf

Tschohl, John. Achieving Excellence Through Customer Service. Bombay: Jaico, 1997.

MLA (9th ed.) Atıf

Tschohl, John. Achieving Excellence Through Customer Service. Jaico, 1997.