Principles of marketing / 
Medina, Roberto G. 
 - Manila :  Rex Book Store, Inc,  2008. 
 - xv, 326 p. ; 22.2cm. 
<br/><br/>includes references, index 
<br/><br/><label>ISBN: </label>978971 2352423 
<br/><br/><label>Dewey Class. No.: </label>Fil 658.15 M491 2008