Kotler Philip <br/><br/>
Principles of markeing 
Kotler Philip; Armstrong Gary 
 - Ed 9 
 - New Delhi  New Delhi, Prentice Hall of India Pvt.  2001 
 - xv,785 
<br/><br/><label>ISBN: </label>81-203-1839-0 
<br/><br/><label>Source: </label>Textbook