TY  - BOOK
AU  - DeFleur,Melvin L.
TI  - Mass communication theories: explaining origins, processes, and effects 
SN  - 9780205331727 (pbk.)
U1  - 302.23 
PY  - 2010///
CY  - Boston, MA
PB  - Allyn & Bacon
KW  - Mass media
N1  - Includes bibliographical references and index
ER  -