Sontakki,C.N. <br/><br/>
Salesmanship & Advertising 

 - 3rd. 
 - Delhi:  Kalyani Publishers. 
 - 247. 
<br/><br/><label>ISBN: </label>81-7096-040-1 
<br/><br/><label>Dewey Class. No.: </label> / SON