Medina, Roberto <br/><br/>
Principles of marketing / 
Roberto Medina. 
 - Quezon City :  Rex Book Store,  2008. 
 - xv, 326 p.:  22 cm. 
<br/><br/> Includes index 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-971-23-5242-3 
<br/><br/><label>LC Class. No.: </label>658.8 M46p