APA aipamena

Lewicki, R. J. B. (2007). Essnetials of Negotiation (4th.). McGraw Hill.

Chicago Style aipamena

Lewicki, Roy J; Barry. Essnetials of Negotiation. 4th. New York: McGraw Hill, 2007.

MLA aipamena

Lewicki, Roy J; Barry. Essnetials of Negotiation. 4th. McGraw Hill, 2007.