World Bank. Operations Evaluation Department. (1998). 1998 Annual review of development effectiveness. World Bank.
Chicago-Zitierstil (17. Ausg.)World Bank. Operations Evaluation Department. 1998 Annual Review of Development Effectiveness. Washington, D.C.: World Bank, 1998.
MLA-Zitierstil (9. Ausg.)World Bank. Operations Evaluation Department. 1998 Annual Review of Development Effectiveness. World Bank, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.