Santiago, Alfonso O.; Tiangco, Norma G.,  c1977. <br/><br/>
Makabagong Balarilang Pilipino / 
Santiago, Alfonso O.; Tiangco, Norma G. 
 - Manila, Philippines :  Rex Bookstore, Inc,  c1977. 
 - xiv,220p. :  illus. ;  21.59cm.