Principles of marketing / 
Pedrito Real Pereda Purisima P. Pereda Castillo 
 - Manila  :  Mindshapers Co.,  2014. Manila : Mindshapers Co. 
<br/><br/><label>ISBN: </label>9789719905752 
<br/><br/><label>Dewey Class. No.: </label>658.8/P434/2014