Swan, Michael <br/><br/>
Practical English Usage 

 - 3rd 
 - Walton Street, New Work :  Oxford university press,  2006. 
 - 654 p. :  21 cm. 
<br/><br/> Includes Index 
<br/><br/>
<br/><br/><label>ISBN: </label>019431197X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English
<br/><br/><label>Dewey Class. No.: </label>428.24  / S972p 2006