APA način citiranja

Penfield, P. (2010). A Primer on Negotiating Corporate Purchase Contracts. Business Expert Press.

Čikaški stil citiranja

Penfield, Patrick. A Primer On Negotiating Corporate Purchase Contracts. Business Expert Press, 2010.

MLA način citiranja

Penfield, Patrick. A Primer On Negotiating Corporate Purchase Contracts. Business Expert Press, 2010.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.