Hanan, Mack. Consultative selling : the Hanan formula for high-margin sales at high levels / Mack Hanan. - 8th ed. - New York, N.Y. : American Management Association, c2011. - xxiv, 232 p. : ill. ; 24 cm. Includes index. ISBN: 9780814416174 (hbk.) 0814416179 (hbk.) Subjects--Topical Terms: Selling.Selling--Key accounts. Dewey Class. No.: 658.85 / HAN 2011