Selling : building partnerships /
Castleberry, Stephen Bryon.
Tanner, John F.
Weitz, Barton A.Selling.
New York : McGraw-Hill/Irwin,
c2011.
Revised ed. of: Selling / Barton A. Weitz, Stephen B. Castleberry, John F. Tanner, Jr. 7th ed. 2009.
Includes bibliographical references and index.
Selling.