International Monetary Fund. African Dept. (2019). Sierra Leone: Economic Development Documents-National Development Plan, 2019-23. International Monetary Fund.
Chicagoスタイル(17版)引用形式International Monetary Fund. African Dept. Sierra Leone: Economic Development Documents-National Development Plan, 2019-23. Washington, D.C.: International Monetary Fund, 2019.
MLA(8版)引用形式International Monetary Fund. African Dept. Sierra Leone: Economic Development Documents-National Development Plan, 2019-23. International Monetary Fund, 2019.
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