TY  - BOOK
AU  - McQuail,Denis
TI  - Mass communication theory: an introduction 
SN  - 0803980698
AV  - P 90 M478m 1987
U1  - 302.2/34/01 
PY  - 1987///
CY  - London
PB  - Sage Publications
KW  - Mass media
KW  - Mass communication
KW  - Theories
ER  -