TY  - BOOK
AU  - Biagi, Shirley
TI  - Media/impact : an introduction to mass media
SN  - 9780495571469
SN  - 200992048
U1  - 302.23 BIA 
PY  - 2010///
CY  - Boston, MA
PB  - Cengage Learning
KW  - Mass media
N1  - Includes bibliographical references (p. 383-398) and index
ER  -