Guffey, Mary Ellen <br/><br/>
Business communication : process and product 
Mary Ellen Guffey, Dana Loewy 
 - 7th ed 
 - Mason, OH  South-Western/Cengage Learning  2010 
 - p. cm 
<br/><br/><label>ISBN: </label>9780538466257 (alk. paper) 
<br/><br/><label>ISSN: </label>2010930837