Russell, Frederic A etal... <br/><br/>
Textbook of salesmanship 

 - U S A  Mc Graw - Hill  1980 
 - ix,653p. 
 - Grolier business library .
<br/><br/><label>ISBN: </label>0717285111 
<br/><br/><label>Dewey Class. No.: </label>658  / RUS