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

 - 2nd ed.  
 - Oxford University Press  New York  1997  
 - xxix, 654 p.  21 cm 
<br/><br/><label>ISBN: </label>0194421465 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>425 SWA 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grammer of standard languge
<br/><br/><label>Dewey Class. No.: </label>425  / SWA