TY  - BOOK
AU  - Merrill, John C
AU  - Friedlander, Edward Jay
TI  - Modern mass media
SN  - 0-673-99025-7
U1  - 301.16 
PY  - 1994///
CY  - New York
PB  - Harper Collins College Publishers
KW  - Mass Media
N1  - Pt. 1. Theory and impact   Pt. 2. Practice and sapport  Pt. 3. Issues and concepts
ER  -