Mortensen, C D <br/><br/>
Basic Readings in Communication Theory 
by C.David Mortensen 
 - 2 
 - New York  Harper & Row  1979 
<br/><br/><label>ISBN: </label>0060446331 
<br/><br/><label>Dewey Class. No.: </label>301.14 MOR/BAS-2