Pillai,R.S.N. <br/><br/>
Modern Commercial Correspondence 

 - 1st rev ed. 
 - New Delhi:  S.Chand. 
 - 248. 
<br/><br/><label>ISBN: </label>81-219-0519-2 
<br/><br/><label>Dewey Class. No.: </label> / PIL