Donald Treawell <br/><br/>
Introducing communications 

 - Los Angeles  Sage  2011 
 - xviii, 226 pages; 26 cm.  
<br/><br/> Includes glossary and index 
<br/><br/><label>ISBN: </label>978-1-4129-4457-1 
<br/><br/><label>Dewey Class. No.: </label>302.2072/T71/2011