Cameron, David <br/><br/>
Mastering modern english 

 - Hyderabad :  Orient Longman,  1998. 
 - 195 
<br/><br/><label>ISBN: </label>81 250 0614 1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English
<br/><br/><label>Dewey Class. No.: </label>425  / CAM