Azar, Betty Schrampfer <br/><br/>
Understanding and using English grammar :   workbook / 
Betty Schrampfer Azar 
 - 3rd. ed. 
 - White Plains, NY:   Longman,   2000 
 - xiii, 238, 29, 39 p.:   ill.;   28 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0139586873 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers<br/>English language--Grammar--Problems, exercises, etc.