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

 - Oxford  Oxford University Press  1989 
 - 639p.  ill  21cm 
<br/><br/><label>ISBN: </label>0194421244 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Usage<br/>English 
<br/><br/><label>Dewey Class. No.: </label>428 SWA-P