Hanan, Mack <br/><br/>
Consultative selling  the Hanan formula for high margin sales at high levels 
Mack Hanan. 
 - 6th ed. 
 - New York  American Management Association  1999 
 - xxvi, 230p., 22cm. 
<br/><br/><label>ISBN: </label>0-8144-0503-7. 
<br/><br/><label>Dewey Class. No.: </label>658.81  / H25C