Weitz, Barton A. Selling Building Partnerships/ eng. Weitz, Barton A., Castleberry, Stephen B. & Tanner, John F. - 5th ed. - Boston: Irwin, 2004. - xxvii, 575[p.: ill; 25cm. ISBN: 0072549289 Dewey Class. No.: 658.85 / WEI