Principles of marketing / 
Medina, Roberto G. 
 - rev.ed. 
 - Manila :  Rex Book Store, Inc,  2008. 
 - xv, 326 p. ; 22cm. 
<br/><br/>includes references, index 
<br/><br/><label>ISBN: </label>9789712352423 
<br/><br/><label>Dewey Class. No.: </label>Fil 658.8 S941 2008