Guffey, Mary Ellen. <br/><br/>
Business English. 

 - 6th ed. 
 - Ohio :  South Western College Publishing,  1999. 
 - xiv,445  p. ;    cm. 
<br/><br/><label>ISBN: </label>0538878037 :  $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication.<br/>Business English.