TY  - BOOK
AU  - Biagi,Shirley
TI  - Media/impact: an introduction to mass media 
T2  - Cengage series in communication arts
SN  - 9781305580985
U1  - 302.23 
PY  - 2017///]
CY  - Boston, MA
PB  - Cengage Learning
KW  - Mass media
KW  - Influence
KW  - History
N1  - Includes bibliographical references and index
ER  -