TY  - BOOK
AU  - DeFleur, Melvin L
TI  - Mass communication theories : explaining origins, processes, and effects
SN  - 9780205331727
SN  - 200903542
U1  - 302.2301 DEF 
PY  - 2010///
CY  - Boston, MA
PB  - Allyn & Bacon
KW  - Mass media
N1  - Includes bibliographical references and index
ER  -