Thomson, A.J. <br/><br/>
A Practical English Grammar. 

 - 4th ed. 
 - New Delhi :  Oxford Universsty Press,  2009. 
 - 383 p.  22 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9780195620535 
<br/><br/><label>Dewey Class. No.: </label>428 THO