TY  - BOOK
AU  - Hanson,Ralph E.
TI  - Mass communication: living in a media world 
SN  - 0072341777 (alk. paper)
AV  - P90 .H314 2005
U1  - 302.23 21
PY  - 2005///
CY  - Boston
PB  - McGraw-Hill
KW  - Mass media
N1  - Includes bibliographical references and index
ER  -