TY  - BOOK
AU  - Gerbner,George
AU  - Siefert,Marsha
TI  - World communications: a handbook / 
SN  - 0582284570
U1  - 001.51 
PY  - 1984///].
CY  - New York: , London
PB  - Longman, 
KW  - Επικοινωνία
N1  - Includes index
ER  -