Dumont, Raymond A. <br/><br/>
Business communications workbook / 
Raymond A. Dumont. 
 - Boston :  Little, Brown,  1987. 
 - 308 p. 
<br/><br/><label>ISBN: </label>0316195561 
<br/><br/><label>LC Class. No.: </label>HF5717  / .D86