1. Barkan, Joel D. ‘Legislators, Elections, and Political Linkage’. InPolitics and Public Policy in Kenya and Tanzania, ed. Joel D. Barkan and John J. Okumu, 64–92. New York: Praeger, 1979.
2. Berman, Bruce, Dickson Eyoh and Will Kymlicka, eds.Ethnicity and Democracy in Africa. Oxford: James Currey, 2004.
3. Bratton, Michael, Robert Mattes and E. Gyimah-Boadi.Public Opinion, Democracy and Market Reform in Africa. Cambridge: Cambridge University Press, 2005.
4. Bratton, Michael, and Nicolas van de Walle.Democratic Experiments in Africa: Regime Transition in Comparative Perspective. Cambridge: Cambridge University Press, 1997.
5. Erdmann, Gero. ‘Ethnicity, Voter Alignment and Political Party Affiliation – An African Case: Zambia’.GIGA Working Paper45. Hamburg: GIGA, 2007.