Swan, Michael <br/><br/>
How English works:  a grammar practice book 

 - Oxford :  Oxford university press ,  1997 . 
 - 314 pages :  23 cm . 
<br/><br/><label>ISBN: </label>9780194314572 
<br/><br/><label>Dewey Class. No.: </label>TR 420  / SWA-H