Doff, Adrian <br/><br/>
Language in use : intermediate classroom book 

 - Cambridge  Cambridge University Press  1994 
 - 144p.  
<br/><br/> Reprint year 2003 
<br/><br/><label>ISBN: </label>0-521-43552-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language -- Usage