Verderber, Rudolph F. <br/><br/>
The challenge of effective speaking / 
Rudolph F. Verderber 
 - 4th ed. 
 - Belmont, Calif. :  Wadsworth Publishing Co.,  1979 
 - x, 319 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0534006116 
<br/><br/><label>LCCN: </label>78-015582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public speaking