Kasaysayan at pag-unlad ng wikang pambansa ng Pilipinas 
Ligaya, Tiamson Robin... [et. al.]. 
 -  Rex Book Store.  2002 
 - viii, 233 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71233321-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Filipino langauge -- History and critism.
<br/><br/><label>Dewey Class. No.: </label>F499.211 K15 2002