Essentials of Business and administrative communication / 
Locker, Kitty ; Isobel Findley . 
 - Toronto:  McGraw-Hill / Ryerson ,  2006. 
 - xviii,436 p,: 
<br/><br/><label>ISBN: </label>0070877548 
<br/><br/><label>LC Class. No.: </label>HD5718  / .L62 2006