Cruz, Isagani A. <br/><br/>
Fundamentals of english grammar / 
Isagani A. Cruz, Camilo D. Quiason. 
 - Quezon City :  Rex Book Store Inc,  2001. 
 - 368 pages ;  23 cm. 
<br/><br/> References: pp. 354-361. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grammar-language and usage.