एपीए उद्धरण

Karr, R., & Blohowiak, D. (1998). The complete idiot's guide to great customer service. PHI.

शिकागो स्टाइल उद्धरण

Karr, Ron, और Don Blohowiak. The Complete Idiot's Guide to Great Customer Service. New Delhi: PHI, 1998.

एमएलए उद्धरण

Karr, Ron, और Don Blohowiak. The Complete Idiot's Guide to Great Customer Service. PHI, 1998.