TY  - BOOK
AU  - De Fleur , Melvin L.
AU  - Sandra Ball-Rokeach .
TI  - Theories of Mass Communication
SN  - 0582280176
U1  - 384 
PY  - 1966///
CY  - New York.
PB  - Longman.
N1  - Mass Media
N2  - Theories of Mass Communication
ER  -