Hartley, Peter <br/><br/>
Group Communication 

 - London  Routledge  2004 
 - 226p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>0415111609     595 
<br/><br/><label>Dewey Class. No.: </label>M04  / H255