Geoffrey, Leech <br/><br/>
A communicative grammar of english 

 - NewDelhi  AW Longman Inc.  2000 
 - 423 pp. 
<br/><br/><label>ISBN: </label> 195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English
<br/><br/><label>Dewey Class. No.: </label>425 GEO