Gerbner, G. (1977). Mass media policies in changing cultures. Whiley.
Cita Chicago (17th ed.)Gerbner, George. Mass Media Policies in Changing Cultures. New York: Whiley, 1977.
Cita MLA (8th ed.)Gerbner, George. Mass Media Policies in Changing Cultures. Whiley, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.