Murphy, Raymond <br/><br/>
Essential grammar in use   a self-study reference and practice book for elementary students of english with answer 

 - New York  Cambridge University  1990 
 - x,259p.  25cm 
<br/><br/><label>ISBN: </label>0521357705 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grammar
<br/><br/><label>Dewey Class. No.: </label>420  / MUR