World Bank, World Bank. Independent Evaluation Group, & ebrary, Inc. (2006). 2006 annual report on operations evaluation. World Bank.
Chicago-referens (17:e uppl.)World Bank, World Bank. Independent Evaluation Group, och Inc ebrary. 2006 Annual Report on Operations Evaluation. Washington, D.C.: World Bank, 2006.
MLA-referens (9:e uppl.)World Bank, et al. 2006 Annual Report on Operations Evaluation. World Bank, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.