TY  - BOOK
AU  - Martin, L. John
AU  - Martin, L. John
TI  - Comparative mass media systems
T2  - Longman Series in Public Communication
SN  - 0-582-28328-0
U1  - 302.234 
PY  - 1983///
CY  - New York
PB  - Longman
ER  -