Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.