Kotler, Philip Gary Armstrong  <br/><br/>
Principles of Marketing / 
by Philip Kotler and Gary Armstrong  
 - 11th Ed. 
 - New Delhi:   Prentice Hall of India,  2005 
 - p.651 
<br/><br/><label>ISBN: </label>8120328256 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management & public relations<br/> General management <br/>Of Marketing
<br/><br/><label>Dewey Class. No.: </label>658.8  / KOT-P.11