World Bank. (1998). Assessing aid: What works, what doesn't, and why. Oxford University Press.
Chicago-Zitierstil (17. Ausg.)World Bank. Assessing Aid: What Works, What Doesn't, and Why. Washington, D.C.: Oxford University Press, 1998.
MLA-Zitierstil (9. Ausg.)World Bank. Assessing Aid: What Works, What Doesn't, and Why. Oxford University Press, 1998.