World Bank. (1998). Assessing aid: What works, what doesn't, and why. Oxford University Press.
Citazione stile Chigago Style (17a edizione)World Bank. Assessing Aid: What Works, What Doesn't, and Why. Washington, D.C.: Oxford University Press, 1998.
Citatione MLA (9a ed.)World Bank. Assessing Aid: What Works, What Doesn't, and Why. Oxford University Press, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.