Wells, William <br/><br/>
Advertising Principle and Practice / 
William Wells 
 - U.S.A :  Prentice Hall,  1989. 
 - 814 p. ; 
<br/><br/> Paperback. 
<br/><br/><label>ISBN: </label>01331522197 
<br/><br/><label>Dewey Class. No.: </label>659.1  / WEL