Azar, Betty Schrampfer,  1941- <br/><br/>
Basic English grammar / 
Betty Schrampfer Azar, Stacy A. Hagen. 
 - 3rd ed. with answer key 
 - White Plains, NY :  Pearson Longman,  2006. 
 - 536 p. :  ill ;  26 cm +  2 cd 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0131849379 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers