Guffey, Mary Ellen. <br/><br/>
Essentials of business communication / Mary Ellen Guffey.- 5th ed Canadian edition 

 - Canada : Nelson, 2007 
 - xix, 520 p: ill(some col.) ; 28 cm. 
<br/><br/><label>ISBN: </label>0176415033 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business writing English language--Business English Business communication
<br/><br/><label>Dewey Class. No.: </label>658.45 GUF