William, S.A. <br/><br/>
Salesmanship 

 - 1st ed. 
 - London  St. Paul's House Warwick Lane  1974 
 - 168p. 
<br/><br/><label>ISBN: </label>340057092 
<br/><br/><label>Dewey Class. No.: </label>658.85  / WIL/SAL