Vogel, Robert A., <br/><br/>
Mass communication 
Robert A. Vogel, Mark A. Krabbe. 
 - 134 p. : ill. ; 24 cm. 
 - Brooks/Vogel series in speech communication .
<br/><br/><label>ISBN: </label>0846576015 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--United States.