APA aipamena

Lewicki, R. J., & Barry, B. (2011). Essentials of negotiation. New York: McGraw-Hill.

Chicago Style aipamena

Lewicki, Roy J., và Bruce Barry. Essentials of Negotiation. New York: McGraw-Hill, 2011.

MLA aipamena

Lewicki, Roy J., và Bruce Barry. Essentials of Negotiation. New York: McGraw-Hill, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.