John Caples <br/><br/>
Tested advertising methods 
John Caples 
 - 5th. 
 - Paramus, N.J.  Prentice Hall  1997 
<br/><br/><label>ISBN: </label>9780130957016 
<br/><br/><label>Dewey Class. No.: </label>659.13  / 235