Dyfyniad APA

World Bank. Operations Evaluation Department. (1998). 1998 Annual review of development effectiveness. World Bank.

Dyfyniad Arddull Chicago

World Bank. Operations Evaluation Department. 1998 Annual Review of Development Effectiveness. Washington, D.C.: World Bank, 1998.

Dyfyniad MLA

World Bank. Operations Evaluation Department. 1998 Annual Review of Development Effectiveness. World Bank, 1998.

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