Rubin, Ligaya, et.al.,  c1989. <br/><br/>
Wikang Filipino :  Retorika at Sulating Pananaliksik / 
Rubin, Ligaya, et.al. 
 - Quezon City, Philippines :  Rex Printing Company, Inc,  c1989. 
 - xiii,223p. :  illus. ;  21.59cm. 
<br/><br/><label>ISBN: </label>9712303683