1. Alden, C. (2005). China in Africa. Survival, 47(3), 147–164.
2. Ashley, R. (1980). The political economy of war and peace. New York: Nichols.
3. Boehm, C. (1999). Hierarchy in the forest. The evolution of egalitarian behavior. Cambridge: Harvard University Press.
4. Buzan, B. (2004). The United States and the great powers. World politics in the twenty-first century. Cambridge, Malden: Polity.
5. Campbell, D. (1992). Writing security. United States foreign policy and the politics of identity. Manchester: Manchester University Press.