Business Communication :  Process & Product  / 
Mary Ellen Guffey , Dana Loewy , Kathleen Rhodes,  Patricia Rogin . 
 - 4th ed. 
 - Toronto:  Nelson ,  2013. 
 - xxv,464[24,5,16] p.;  some color ill. 
<br/><br/><label>ISBN: </label>9780176503581 
<br/><br/><label>LC Class. No.: </label>HF5718.3  / .G83 2013