ALLEN, Robert Y. Spohn, R.F. Wilson, I.H. Selling dynamics /[by] Robert Y.Allen, Robert F.Spohn, I.Herbert Wilson - New York McGraw-Hill 1984 - xx, 487 p.- - McGraw-Hill series in marketing . Includes index ISBN: 70011613 Subjects--Topical Terms: Marketing management Dewey Class. No.: 658.8 / ALL