Leth, Pamela C., <br/><br/>
Public communication / 
Pamela C. Leth, Steven A. Leth. 
 - Menlo Park, California :  Cummings Publishing company,  1977. 
 - 107 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0846576023 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public speaking.<br/>Oratory.