EXCELLENCE IN BUSINESS COMMUNICATION/ 
Thill,John V,Courtland L. Bovee & Ava Cross. 
 - 4th Canadian edition. 
 - Toronto, Canada,:  Pearson Canada,  c2011. 
 - xxvi,644 p.:  ill.(some col.)  27 cm. 
<br/><br/><label>ISBN: </label>9780137003990 
<br/><br/><label>LC Class. No.: </label>HF5718.2  / .U6T49 2011