Azar, Betty Schrampfer <br/><br/>
Fundamentals of English grammar 
Betty S. Azar, Stacy A. Hagen. 
 - 4th ed. 
 - White Plains, N.Y.  Pearson Longman  2011. 
 - xiii, 474 p.  ill. (some col.)  26 cm.  2 sound discs (digital ; 4 3/4 in.) 
<br/><br/> CD-ROM disponible en el libro. 
<br/><br/><label>ISBN: </label>9780137071692 (with answer key) 0137071698 (with answer key) 
<br/><br/><label>LCCN: </label>2010050069 
<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  / .A965 2011 
<br/><br/><label>Dewey Class. No.: </label>428.2/4