Choy, Penelope <br/><br/>
Basic grammar and usage / 
Penelope Choy 
 - San Diego :  Harcourt Brace Jovanovich,  1980 
 - 199 p. :  ill. ;  24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0155049283 
<br/><br/><label>LCCN: </label>79-090862 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--1950-<br/>English language--Composition and exercises