TY  - BOOK
AU  - Wimmer, Roger D.
TI  - Mass media research: an introduction 
SN  - 9781133307334
AV  - P 91.3 .W716 2014
PY  - 2014///
CY  - Massachusetts
PB  - Wadsworth Cengage Learning
KW  - Mass media
KW  - Research
N1  - Includes bibliographical references and index; MC
ER  -