Kotler P <br/><br/>
Marketing management 
Kotler P; Keller K L 
 - 12 
 - New Delhi  New Delhi, Pearson Prentice Hall  2006 
 - vp 
<br/><br/><label>ISBN: </label>81-7758-690-4 
<br/><br/><label>Source: </label>Textbook