APA citiranje

Economy, P. (2004). Customer service secrets. New Delhi: Tata McGraw-Hill Publishing Company Ltd.

Trích dẫn kiểu Chicago

Economy, Peter. Customer Service Secrets. New Delhi: Tata McGraw-Hill Publishing Company Ltd, 2004.

MLA citiranje

Economy, Peter. Customer Service Secrets. New Delhi: Tata McGraw-Hill Publishing Company Ltd, 2004.