एपीए उद्धरण

Poperch, E. (1982). Product marketing. Cherbson publishing co.

शिकागो स्टाइल उद्धरण

Poperch, Elizabeth. Product Marketing. New York: Cherbson publishing co, 1982.

एमएलए उद्धरण

Poperch, Elizabeth. Product Marketing. Cherbson publishing co, 1982.