1. Almond, Gabriel, Verba, Sydney (Hrsg.) (1989): The Civic Culture Revisited. London: Sage
2. Anderson, Benedict (1991): Imagined Communities: Reflections on the Origin and Spread of Nationalism. London: Verso
3. Ansolabehere, Stephen / Iyengar, Shanto (1995): Going Negative. New York: Free Press
4. Bartels, Larry (1993): Messages received: the political impact of media exposure. In: American Political Science Review 93. 901–910
5. BBC, 2005. Report: Study on ‘Who runs your world?’ Oktober. http://news.bbc.co.Uk/1/hi/world/europe/4246778.stm and related pages, aufgerufen im Mai 2006.