Hart, Roderick P., <br/><br/>
Public communication / 
by Roderick P. Hart, Gustav W. Friedrich and William D. Brook. 
 - New York :  Harper & Row,  1975. 
 - xii, 291 pages :  illustrations ;  24 cm. 
<br/><br/>Bibliography: page 275-279. 
<br/><br/><label>ISBN: </label>0060426853 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public speaking.