Negrine, R. M. (1989). Politics and the mass media in Britain. Routledge.
Lua i Stíl Chicago (17ú heag.)Negrine, Ralph M. Politics and the Mass Media in Britain. New York: Routledge, 1989.
Lua MLA (9ú heag.)Negrine, Ralph M. Politics and the Mass Media in Britain. Routledge, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.