Azar, Betty Schrampfer <br/><br/>
Basic English grammar 
Betty Schrampfer Azar, Stacy A. Hagen. 
 - 3rd ed. with answer key 
 - White Plains, NY  Pearson Longman  c2006. 
 - xv, 536, 6 p.  ill.  26 cm. + 1 sound disc (digital ; 4 3/4 in.) 
<br/><br/> ESTE LIBRO INCLUYE UN DISCO.  Includes index. 
<br/><br/><label>ISBN: </label>0131844121 (pbk.) 
<br/><br/><label>LCCN: </label>2005014671 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.<br/>English language--Grammar--Problems, exercises, etc.
<br/><br/><label>LC Class. No.: </label>PE1128  / .A96 2005 
<br/><br/><label>Dewey Class. No.: </label>428.24  / A992b3