Natividad, Pablo E., et.al.,  c1980. <br/><br/>
Sining ng Pagpapahayag :  Pandalubhasaan at Pampamantasan (Pilipino I) / 
Natividad, Pablo E., et.al. 
 - Manila, Philippines :  Bookman, Inc,  c1980. 
 - vii,299p. :  illus. ;  21.59cm.