Principles and types of speech communication / 
Douglas Ehninger ... et al. 
 - 9th ed. 
 - Foresman, Glenview, Ill :  Scott,  1982 
 - 446 p. :   ill. ;   24 cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0673155382 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public speaking<br/>Oral communication