TY  - BOOK
AU  - Perry, David K.
TI  - Theory and research in mass communication: contexts and consequences
SN  - 0805839380
U1  - 302.2301 PER 
PY  - 2009///
CY  - New York
PB  - Routledge, Taylor & Francis Group
KW  - Mass media -- Philosophy
KW  - Mass media -- Research
ER  -