Swan, Michael  1936 <br/><br/>
Oxford English grammar course. Advanced  with answers 
Michael Swan 
 - ed. 
 - [S.l.]  Oxford University Press  2011 
 - xiii, 348 p. 
<br/><br/><label>ISBN: </label>9780194312509 (pbk. with audio CD) 9780194312592 (CDROM)