Verderber, Rudolph F., <br/><br/>
The challenge of effective speaking in a digital age / 
Rudolph F. Verderber, Deanna D. Sellnow, Kathleen S. Verderber 
 - Seventeenth Edition 
 - xxi, 323 pages :  color illustrations ;  28 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781305948198 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public speaking