Hanna, Michael S. <br/><br/>
Communication in Business and professional settings / 
by Michael S. Hanna. 
 - 4th ed. 
 - Iowa :  McGraw-Hill Companies,  c1998. 
 - xxv, 468 p. :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0070260222 
<br/><br/><label>LC Class. No.: </label>HD30.3  / .H36