1. Adam, S., & Maier, M., & Kaid, L.L. (2009), Codebook ofContent Coding: Strategies of Party Campaigns in the Context ofthe EP Elections. Berlin/Landau
2. Kovář, J. & Kovář, K. (2012), National or European? EP Election Campaign Themes in the News Media, “European Electoral Studies”, Vol. 7, No. 1, pp. 30-41.
3. Bechmann, G., Stehr, N. (2011), Niklas Luhmann’s Theory of the Mass Media, “Society”, March, vol. 48, iss. 2, pp. 142-147.
4. Bennett, W. L., Entman, R. M. (2001), Mediated politics: communication in the future of democracy. Cambridge: Cambridge University Press.
5. Berger, P. L. & Luckmann, T. (1966), The Social Construction of Reality. A Treatise in the Sociology of Knowledge. Alien Lane, London.