Leech, G <br/><br/>
A Communicative Grammar of English  [Book]. 

 - NewDelhi  Pearson  2009 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>8177588590 
<br/><br/><label>Subjects--Topical Terms: </label><br/>A Communicative Grammar of English