Leech, Geoffrey, <br/><br/>
Communicative grammar of English  

 - 3rd ed. 
 - New Delhi:  Pearson Education,  2002. 
 - xiv;440p:  23 cm. 
<br/><br/> Includes index.  
<br/><br/><label>ISBN: </label>9788177588590 
<br/><br/><label>Dewey Class. No.: </label>425 LEE