Manning, Gerald L. Selling today : creating customer value / Gerald Mannning, Barry L. Reece. - 9th ed. - Upper Saddle River, NJ : Prentice Hall, 2003. - xxix, 527 p. : ill. ; 26 cm. Includes bibliographical references and indexes. Open access. ISBN: 0131009524 Subjects--Topical Terms: Selling.