1. Aiken, Leona S./ West, Stephen G. (1991): Multiple regression: Testing and interpreting interactions. Newbury Park.
2. Anderson, Christopher J. (1998): When in doubt, use proxies. Attitudes toward domestic politics and support for European integration. In: Comparative Political Studies, 31. Jg., S. 569–601.
3. Blumler, Jay G./ McLeod, Jack M./ Rosengren, Karl E. (1992): An introduction to comparative communication research. In: Blumler, Jay G./ McLeod, Jack M./ Rosengren, Karl. E. (Hrsg.): Comparatively speaking: communication and culture across space and time. Newbury Park, S. 3–18.
4. Bramsted, Ernest K. (1965): Goebbels and the National Socialist Propaganda: 1925–1945. East Lansing.
5. Brown, Roger (1958): Words and things. New York.