Choy, Penelope. <br/><br/>
Basic grammar and usage / 
Penelope Choy, Dorothy Goldbart Clark. 
 - 6th ed. 
 - Boston, Mass. :  Heinle& Heinle, 2002. 
 - 259 p. :  24 cm. 
<br/><br/><label>ISBN: </label>0155070576 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--1950-<br/>English language--Composition and exercises.