"Murphy, R." <br/><br/>
Intermediate English grammar / 
R. Murphy 
 - 2nd 
 - New Delhi:  "Cambridge U.P,"  2009 
 - 350 p. 
<br/><br/><label>ISBN: </label>8185618518 
<br/><br/><label>Dewey Class. No.: </label>420  / MUR