"Sidney Greenbaum","Janet Whitcut; introduction by Randolph Quirk" <br/><br/>
Longman guide to English usage 

 -  Harlow : Longman, 1988.  1988 
 - 200 
<br/><br/><label>ISBN: </label>9780582556198 
<br/><br/><label>Dewey Class. No.: </label>030  / 153