Verderber F. Rudolph <br/><br/>
The challenge of effective speaking / 
Rudolph F. Verderber 
 - twelfth edition 
 - 1 Compact disc 
<br/><br/>
<br/><br/><label>ISBN: </label>0-534-56385-6 
<br/><br/><label>Dewey Class. No.: </label>CD 808.510 V58C 2003