APA aipamena

Lewicki, R. J. a. (2004). Essentials of negotiation (3rd ed.). McGraw - Hill.

Chicago Style aipamena

Lewicki, Roy J....[et al]. Essentials of Negotiation. 3rd ed. Boston: McGraw - Hill, 2004.

MLA aipamena

Lewicki, Roy J....[et al]. Essentials of Negotiation. 3rd ed. McGraw - Hill, 2004.