Wimmer D. Roger & Dominick R. Joseph. (1993). Mass Media Research (9th ed.). Routledge.
Cita Chicago (17th ed.)Wimmer D. Roger i Dominick R. Joseph. Mass Media Research. 9th ed. Japan: Routledge, 1993.
Cita MLA (9th ed.)Wimmer D. Roger i Dominick R. Joseph. Mass Media Research. 9th ed. Routledge, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.