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

 -  English Language Book Society, London  1980 
 - 639 
 - cc-428.07 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Standard English usage-Study and teaching
<br/><br/><label>Dewey Class. No.: </label>PG 428.07  SWA-P