Pederson, Carlton A Tanner, John F. Wright, Milburn D. <br/><br/>
Selling : principles and methods; 

 - Boston  IRWN  1992 
 - 548 p. 
<br/><br/><label>ISBN: </label>9780256128222 
<br/><br/><label>Dewey Class. No.: </label>658.85