Kotler P <br/><br/>
Marketing management: Analysis planning implimentation and control 
Kotler P 
 - 9 
 - New Delhi  New Delhi, Prentice-Hall  1997 
 - xxxvii, 873 
<br/><br/><label>ISBN: </label>81-203-1178-7 
<br/><br/><label>Source: </label>Textbook