TY  - BOOK
AU  - Ruddock,Andy
TI  - Understanding audiences : : theory and method 
SN  - 9780761963448
U1  - 302.23 
PY  - 2001///
CY  - London : 
PB  - SAGE, 
KW  - Mass media
KW  -  Audiences
KW  -  Influence
ER  -