Guffey, Mary Ellen <br/><br/>
Business communication  process and product 
Mary Ellen Guffey. 
 - 3rd  ed. 
 - Cincinnati  South Western College  2000 
 - various pagination, col.ill.; 25cm. 
<br/><br/><label>ISBN: </label>0-324-00766-3. 
<br/><br/><label>Dewey Class. No.: </label>651.7  / G95B