Knapp, Mark L. <br/><br/>
Essentials of nonverbal communication / 
Mark L. Knapp. 
 - New York :  Holt, Rinehart and Winston,  c1980. 
 - viii, 264 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0030498619 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nonverbal communication.
<br/><br/><label>Dewey Class. No.: </label>CA 153 KNA