TY  - BOOK
AU  - McQuail,Denis
TI  - Mass communication theory: an introduction 
SN  - 0803997701
AV  - P90 .M35 1984
U1  - 001.51 19
PY  - 1983///
CY  - London, Beverly Hills
PB  - Sage Publications
KW  - Mass media
N1  - Includes index; Bibliography: p. 227-238
ER  -