TY  - BOOK
AU  - Biagi, Shirley
TI  - Media impact: an introduction to mass media
SN  - 0-534-603061-8.
U1  - Circ. 302.23 B577m 2005 
PY  - 2005///
CY  - USA
PB  - Thomson/Wadsworth
KW  - 1. Mass media
N1  - Includes bibliographical references and index
ER  -