World Bank, Collier, P., Hegre, H., Elliott, V. L., Hoeffler, A., Reynal-Ouerol, M., & Sambanis, N. (2003). Breaking the conflict trap: Civil war and development policy. World Bank ; Oxford University Press.

World Bank, Paul Collier, Håvard Hegre, V. L. Elliott, Anke Hoeffler, Marta Reynal-Ouerol, and Nicholas Sambanis. Breaking the Conflict Trap: Civil War and Development Policy. Washington, DC : New York: World Bank ; Oxford University Press, 2003.

World Bank, et al. Breaking the Conflict Trap: Civil War and Development Policy. World Bank ; Oxford University Press, 2003.