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

 - 2nd ed. 
 - Oxford  Oxford U.P.  1980 
 - xxix,654 p. 
<br/><br/><label>ISBN: </label>019438926X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENGLISH LANGUAGE<br/>ENGLISH USAGE
<br/><br/><label>Dewey Class. No.: </label>428  / SWA