APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.