Lewicki, Roy J. Negotiation / Roy J. Lewicki, David M. Saunders, Bruce Barry. - 6th ed. - New York : McGraw - Hill/Irwin, 2014 - 632 p. ; 23 cm. ISBN: 9780078029448 Subjects--Topical Terms: Negotiation in business.Đàm phán trong kinh doanh. Dewey Class. No.: 658.4052 / N384