TY  - BOOK
AU  - Wimmer,Roger D.
AU  - Dominick,Joseph R.
TI  - Mass media research: an introduction 
T2  - Wadsworth series in mass communication and journalism
SN  - 9781439082744 (pbk.)
U1  - 302.23072 
PY  - 2011///
CY  - Boston, Mass.
PB  - Wadsworth/Cengage Learning
KW  - Mass media
KW  - Research
N1  - Includes bibliographical references and indexes
ER  -