Lewis,H G. <br/><br/>
Advertising Age,Hand Book of Advertising  Textual Documents 

 - Delhi:  NTC Business Book ,  1998. 
 - 228. 
<br/><br/><label>ISBN: </label>0-8442-24480   
<br/><br/><label>Dewey Class. No.: </label>659.1  / LEW / NEL