Essentials of  Business Communication/ 
Guffey,Mary Ellen & Brendan Nagle. 
 - 2nd Canadian edition. 
 - Scarborough, Ontario,:  ITP Nelson,  c1997. 
 - xiv,468 p.;  ill.(some col.)27 cm. 
<br/><br/><label>ISBN: </label>0176056106 
<br/><br/><label>LC Class. No.: </label>HF5718.3  / .G83 1997