World Bank. (2006). 2006 Annual report on operations evaluation. World Bank.
Citazione stile Chigago Style (17a edizione)World Bank. 2006 Annual Report on Operations Evaluation. Washington, D.C: World Bank, 2006.
Citatione MLA (9a ed.)World Bank. 2006 Annual Report on Operations Evaluation. World Bank, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.