Canadian Business English / 
Guffey , Ellen Mary ; Patricia Burke  
 - 4th ed 
 - Australia :  Thompson Nelson ,  2006. 
 - xii540 p,: 
<br/><br/><label>ISBN: </label>017640628X 
<br/><br/><label>LC Class. No.: </label>PE1115  / .G83  2006