Roberts, Ralph R. Advanced selling for dummies / Ralph R. Roberts, Joe Kraynak. - Canada : Wiley Publishing, Inc., 2007. - xviii, 362 pages : black and white illustrations ; 24 cm. - (For dummies) . Includes index. ISBN: 9780470174678 Subjects--Topical Terms: Selling. Success in business. Dewey Class. No.: CIR 658.85 R646a 2007