Severin, Werner J. <br/><br/>
Communication theories : origins, methods, and uses in the mass media / 
Werner J. Severin, James W. Tankard. 
 - 4th ed. 
 -  Longman  1997. 
<br/><br/>7170 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media.<br/>Communication.
<br/><br/><label>LC Class. No.: </label>P90  / Sev.