TY  - BOOK
AU  - Biagi,Shirley
TI  - Media / impact: an introduction to mass media 
SN  - 9780495571469 (pbk.)
AV  - P90 BIA 2010
PY  - 2010///
CY  - Boston, MA
PB  - Cengage Learning
KW  - Mass media
N1  - Includes bibliographical references (p. 383-398) and index
ER  -