TY  - BOOK
AU  - Hiebert, Ray Eldon
AU  - Bohn, Thomas W.
AU  - Ungurait, Donald F.
TI  - Mass media : an introduction to modern  communication
U1  - 301.16 
PY  - 1975///
CY  - New York
PB  - David McKay
N1  - SR
ER  -