Verderber, Rudolph F. <br/><br/>
The Challenge of Effective Speaking / 
Rudolph F. Verderber, Kathleen S. Verderber 
<br/><br/> College of Education  Bachelor of Elementary Education 
<br/><br/><label>ISBN: </label>053456356 
<br/><br/><label>Dewey Class. No.: </label>808.51 V58