Kotler, Philip.; Armstrong, Gray <br/><br/>
Principles of Marketing  Gray Armstrong 
Philip Kotler 
 - 12th Ed. 
 - New Delhi, India  Pearson Education, Inc.  2008 
 - 670 
<br/><br/> Paperconver 
<br/><br/><label>ISBN: </label>9788131715475 
<br/><br/><label>Standard No.: </label>9788131715475 
<br/><br/><label>Dewey Class. No.: </label>658.8