"Hewings, M." <br/><br/>
Advanced grammar in use / 
M. Hewings 
 - 2nd 
 - New Delhi:  "Cambridge U.P,"  2008 
 - 294 p. 
<br/><br/><label>ISBN: </label>9.78052E+12 
<br/><br/><label>Dewey Class. No.: </label>420  / HEW