Hornby, A. S. <br/><br/>
Guide to patterns and usage in english / 
A. S. Hornby. 
 - 2nd ed. 
 - Delhi :  Oxford University Press,  c1975 
<br/><br/><label>ISBN: </label>0 19 562272 3 :  Rs. 65 
<br/><br/><label>Dewey Class. No.: </label>428  / HOR-GUI