Barrett, M. (1973). The politics of broadcasting. Crowell.
Chicago Style (17th ed.) ZitazioaBarrett, Marvin. The Politics of Broadcasting. New York: Crowell, 1973.
MLA (9th ed.) ZitazioaBarrett, Marvin. The Politics of Broadcasting. Crowell, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.