1. Axelrod, R., & Keohane, R. (1985). Achieving cooperation under anarchy: Strategies and institutions. World Politics, 38(1), 226–254.
2. Axline, W. A. (1977). Underdevelopment, dependence and integration: The politics of regionalism in the Third World. International Organization, 31(1), 83–105.
3. Bach, D. (2003). New regionalism as an Alias: Regionalisation through Trans-State networks. In A. Grant & F. Söderbaum (Hrsg.), The new regionalism in Africa (S. 21–30). Ashgate.
4. Bergmann, J. (2020). The European Union as international mediator. Palgrave.
5. Börzel, T. (2016). Theorizing regionalism: Cooperation, integration, and governance. In T. Börzel & T. Risse (Hrsg.), The Oxford handbook of comparative regionalism (S. 41–63). Oxford University Press.