TY  - BOOK
AU  - McQuail,Denis
TI  - Mass communication theory: an introduction 
SN  - 0803980698
AV  - P90   .M35 1987
PY  - 1987///.
CY  - London,  Newbury Park
PB  -  Sage Publications
KW  - Mass media
N1  - Bibliography: p. [319]-337
ER  -