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

 - 2nd ed. 
 - New Delhi:  Oxford University Press,  1996. 
 - xxx, 654 p. 
<br/><br/><label>ISBN: </label>0194421465 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Language
<br/><br/><label>Dewey Class. No.: </label>428.24  / S9721