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

 - 2nd ed. 
 - Oxford  Oxford U.P.  1997 
 - xxix,654 p. 
<br/><br/><label>ISBN: </label>0194421465 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LANGUAGE
<br/><br/><label>Universal Decimal Class. No.: </label>811.111.36  / SWA