Mortensen, C. David <br/><br/>
Communication  the study of human interaction 
C. David Mortensen 
 - New York  McGraw-Hill Book  1972 
 - 430 p. : ill. ; 24 cm. 
<br/><br/> Includes index 
<br/><br/>p. 379-414 
<br/><br/><label>ISBN: </label>007043395X 
<br/><br/><label>LCCN: </label>76-172659 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication