Stanton W J <br/><br/>
Management of a sales force 
Stanton W J; Spiro R 
 - 10 
 - Boston  Boston, McGraw Hill  1999 
 - 628p 
<br/><br/><label>ISBN: </label>0-256-21896-X 
<br/><br/><label>Source: </label>Textbook