Pillai, R. S. N. <br/><br/>
Modern Commercial Correspondence 
Authors 
 - New Delhi :  S. Chand & company PVT. Ltd.,  2013. 
 - viii, 358 p. :  24 cm. 
<br/><br/><label>ISBN: </label>9788121905107 
<br/><br/><label>LC Class. No.: </label>HF5726   / .P83 2013