TY  - BOOK
AU  - Biagi,Shirley
TI  - Media impact: an introduction to mass media 
SN  - 0534630618 (instructor's ed. : pbk.)
U1  - 302.23 
PY  - 2005///
CY  - Australia, Belmont, Calif.
PB  - Wadsworth/Thomson
KW  - Mass media
N1  - Includes bibliographic references (p.374-390) and index
ER  -