Human communication :  Principles, contexts, and skills / 
Cassandra L. Book ... [et al.] ; under the general editorial supervision of Cassandra L. Book. 
 - New York :  St. Martin's Press,  1980. 
 - 325 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0-312-39849-2 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication.