Schrank, Jeffrey <br/><br/>
Understanding mass media / 
Jeffrey Schrank 
 - 4th ed. 
 - USA :  National Textbook Company,  1991 
 - xi, 372 p. :  ill. ;  26 cm 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media
<br/><br/><label>Dewey Class. No.: </label>301. 161  / SCH