Azar, Betty Schrampfer <br/><br/>
Fundamentals of English grammar :  answer key / 
Betty Schrampfer Azar 
 - 3rd ed. 
 - New York. :  Longman/Person Education,  2003 
 - 39 p. 
<br/><br/><label>ISBN: </label>0130136360 
<br/><br/><label>Subjects--Index Terms: </label>Ngôn ngữ Ngữ pháp Tiếng Anh 
<br/><br/><label>Dewey Class. No.: </label>428.2