एपीए उद्धरण

Roy J Lewicki. (2001). Essentials of negotiation. Boston, MA: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Roy J Lewicki. Essentials of Negotiation. Boston, MA: McGraw-Hill, 2001.

एमएलए उद्धरण

Roy J Lewicki. Essentials of Negotiation. Boston, MA: McGraw-Hill, 2001.