Verderber, Rudolpf F. <br/><br/>
The challenge of effective speaking / 
Rudolph F. Verderber (and two others). 
 - Fifteenth edition (International edition). 
 - Australia :  Wadsworth, Cengage Learning,  2012. 
 - xx, 380 pages :  illustrations ;  27 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781111346881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public speaking.