TY  - BOOK
AU  - McQuail,Denis
TI  - Mass communication theory : :  an introduction / 
SN  - 0803980698
AV  - P90   .M35 1994
PY  - 1994///.
CY  - London : 
PB  -  Sage Publications, 
KW  - Mass media
N1  - Bibliography: p. [319]-337
ER  -