World Bank. Operations Evaluation Department. (1998). 1998 Annual review of development effectiveness. World Bank.
Chicago-referens (17:e uppl.)World Bank. Operations Evaluation Department. 1998 Annual Review of Development Effectiveness. Washington, D.C.: World Bank, 1998.
MLA-referens (9:e uppl.)World Bank. Operations Evaluation Department. 1998 Annual Review of Development Effectiveness. World Bank, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.