TY  - BOOK
AU  - DeFleur,Melvin L.
AU  - Ball-Rokeach,Sandra J.
TI  - Theories of mass communication
SN  - 0582998700
PY  - 1989///
CY  - New York
PB  - Longman
KW  - Mass media
KW  - Social aspects
KW  - History
KW  - United States
ER  -