PHILIP  KOTLER  GARYARMSTRONG <br/><br/>
PRINCIPLES OF MARKETING SEVENTH EDITION 

 - NEW DELHI  PRENTICE-HALL OF INDIA  1997 
<br/><br/><label>ISBN: </label>81-203-1077-2 
<br/><br/><label>Dewey Class. No.: </label>658.8  / KOT/P