Poperch. Elizabeth. (1983). Product marketing. Cherbson publishing co.
Čikaški stil citiranjaPoperch. Elizabeth. Product Marketing. New York: Cherbson publishing co, 1983.
MLA način citiranjaPoperch. Elizabeth. Product Marketing. Cherbson publishing co, 1983.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.