Hewings, Martin <br/><br/>
Advanced grammar in use 

 - 2a 
 - Estados Unidos  Cambridge university press  2005 
 - 294 p. 
<br/><br/><label>ISBN: </label>0-521-53291-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language
<br/><br/><label>LC Class. No.: </label>PE1128  / H48