TY  - BOOK
AU  - Gamble,Michael
AU  - Gamble,Teri Kwal
TI  - Introducing mass communication
T2  - McGraw-Hill series in mass communication
SN  - 007022773X
PY  - 1989///
CY  - New York
PB  - McGraw-Hill
KW  - Mass media
N1  - Includes index; Bibliography: p. 520-527
ER  -