Weitz, Barton A. Selling : building partnerships / Barton A. Weitz, Stephen B. Castleberry, John F. Tanner. - New York : The McGraw- Hill Companies, 2007. - xxi, 473 pages : black and white illustrations ; 26 cm., paperback. Includes glossary, and index. ISBN: 9780071273947 Subjects--Topical Terms: Selling.Relationship marketing. Dewey Class. No.: CIR 658.85 W436s 2007