Weitz, Barton A. <br/><br/>
Selling :   building partnerships / 
Barton A. Weitz. 
 - 6th 
 - Boston, MA :  McGraw-Hill Irwin,  2007. 
 - xxi, 481p.:   ill.  26 cm. 
<br/><br/> Includes index and glossary 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-007-127394-7 
<br/><br/><label>LC Class. No.: </label>658.85 W43s