TY  - BOOK
AU  - De-Fleur,Melvin L.
AU  - Ball-Rokeach,Sandra
TI  - Theories of mass communication
SN  - 067930293X :
U1  - 301.243 
PY  - 1975///
CY  - New York
PB  - D. McKay
KW  - Mass media
KW  - Social aspects
ER  -