Swan, Michael <br/><br/>
Practical english usage / 
Swan, Michael. 
 - 2nd ed 
 - Oxford:  Oxford University Press,  1996. 
 - xxx, 631p.; 24cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>194421465 
<br/><br/><label>Dewey Class. No.: </label>428 SWA