TY  - BOOK
AU  - Picard, Robert G.
TI  - Media economics : concepts and issues
SN  - 0803935021
AV  - P96.E25P53 1989 
PB  - Sage
KW  - Mass media - Economic aspects
KW  - P
N1  - Bibliography : p. 126-132; Includes index
ER  -