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

 - 4th 
 -  Oxford University Press  2016 
 - 634p. 
<br/><br/><label>ISBN: </label>9780194202466 
<br/><br/><label>Standard No.: </label>119575 
<br/><br/><label>Subjects--Index Terms: </label>English 
<br/><br/><label>Dewey Class. No.: </label>428  / SWA