Principles and types of speech communication 
Bruce E. Gronbeck ... [et al.]. 
 - 11th ed. 
 - Glenview, Ill.  Scott, Foresman/Little, Brown Higher Education  c1994. 
 - 521 p.  col. ill. 
<br/><br/>Includes bibliographical references (p. 506-507) and index. 
<br/><br/><label>ISBN: </label>0673385914 
<br/><br/><label>LCCN: </label>89035375  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public speaking
<br/><br/><label>LC Class. No.: </label>PN4121  / .P72 1994 
<br/><br/><label>Dewey Class. No.: </label>808.5/1