Hornby, A S  <br/><br/>
Guide to Patterns and Usage in English 

 -  2nd  
 - New Delhi  Oxford University Press   1975,c 2016 
 - 238 
<br/><br/><label>ISBN: </label>978-0-19-562272-0 
<br/><br/><label>Publisher. No.: </label> Allied Informatics, Jaipur 
<br/><br/><label>Dewey Class. No.: </label>428.24  / HOR