GUFFEY, M. E. <br/><br/>
Business Communication: Process & Product. 

 - 4th Ed. 
 - California,  Nelson Education,  2013. 
 - xxv,481p.: Ill.;figures.  Bibliographical References and Index,  25cm 
<br/><br/><label>ISBN: </label>978-0-17-650358-1 
<br/><br/><label>Dewey Class. No.: </label>651.7 GUF