TY  - BOOK
AU  - Biagi,Shirley
TI  - Media/impact: an introduction to mass media 
T2  - Cengage series in mass communication and journalism
SN  - 1305580982
AV  - P 90 B576M 2017 
PY  - 2017///
CY  - Boston, MA
PB  - Cengage Learning
KW  - Mass media
N1  - Includes bibliographical references and index
ER  -