TY  - BOOK
AU  - Gamble, Michael W.
TI  - Introduction to mass communication
SN  - 0070227705
U1  - GC 302.23 G143 1986 
PY  - 1989///
CY  - New York, N.Y
PB  - McGraww-Hill
KW  - Mass media
N1  - Includes bibliographical references and index
ER  -