Hume, G., <br/><br/>
Manual of commercial correspondence 
G. Hume 
 - 5th rev. 
 - Allahabad:  A. H. Wheeler,  1970. 
 - 342p. 
<br/><br/><label>Subjects--Index Terms: </label>Commerce 
<br/><br/><label>Dewey Class. No.: </label>381