Ligaya, Rubin T. [ et al.]. <br/><br/>
Kasaysayan at Pag-unlad ng Wikang Pambansa ng PIlipinas. 

 - 1st/ed. 
 - Philippines :  Rex Book Store,  c2002. 
 - viii, 233p. :  (np) ;  22cm. 
<br/><br/> Bibliography. 
<br/><br/><label>ISBN: </label>9712333213 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Filipino Language - History--c2002--Philippines--Newsprint.