एपीए उद्धरण

Hardman, L. S., & Albrecht, J. (1997). Interacting with clients and customers: A foot in the door. Melbourne: Addison Wesley Longman Australia.

शिकागो स्टाइल उद्धरण

Hardman, Lee Sharon, और Jillian Albrecht. Interacting With Clients and Customers: A Foot in the Door. Melbourne: Addison Wesley Longman Australia, 1997.

एमएलए उद्धरण

Hardman, Lee Sharon, और Jillian Albrecht. Interacting With Clients and Customers: A Foot in the Door. Melbourne: Addison Wesley Longman Australia, 1997.