Azar, Betty S. <br/><br/>
Understanding and using English grammar    with answer key 

 -  4th ed. 
 - White Plains   Pearson/ Longman  AUWSF    2009 
 - xiii, 530 p. 
<br/><br/><label>ISBN: </label>978-0-13-233331-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/> English language--Grammar<br/> English language--Study and teaching--Foreign speakers<br/>English language<br/>English language--Textbooks for foreign speakers
<br/><br/><label>LC Class. No.: </label>PE1128.A97