1. Acik, N. 2013. Reducing the Participation Gap in Civic Engagement: Political Consumerism in Europe. European Sociological Review 6: 1–14.
2. Almond, G.A., and S. Verba. 1963. The Civic Culture. Princeton: Princeton University Press.
3. Almond, G.A., and S. Verba (eds.). 1980. The Civic Culture Revisited. Newbury Park, CA: Sage.
4. Almond, G.A., and S. Verba. 1996. Five Political Cultures. In Comparing Nations and Cultures: Readings in a Cross-Disciplinary Perspective, ed. A. Inkeles and M.S. Sasaki, 425–429. Englewood Cliffs: Prentice-Hall.
5. Baek, Y.M. 2010. To Buy or Not to Buy: Who Are Political Consumers? What Do They Think and How Do They Participate? Political Studies 58: 1065–1086.