Verderber, Rudolph F. <br/><br/>
The challenge of effective speaking / 
Rudolph F. Verderber. 
 - sixth edition. 
 - xiii, 400 pages. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0-534-03885-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public speaking.