MURPHY, Herta A. <br/><br/>
Effective Business Communications. 

 - 7th edi. 
 - Boston.  McGraw-Hill.  1992 
 - xxii, 617p 
<br/><br/><label>ISBN: </label>0 07 044398 x 
<br/><br/><label>Dewey Class. No.: </label>651.7