United States. Agency for International Development. (1976). Opportunity for self-reliance: An overview of the Sahel development potential. Agency for International Development.
Chicagoスタイル(17版)引用形式United States. Agency for International Development. Opportunity for Self-reliance: An Overview of the Sahel Development Potential. Washington: Agency for International Development, 1976.
MLA(8版)引用形式United States. Agency for International Development. Opportunity for Self-reliance: An Overview of the Sahel Development Potential. Agency for International Development, 1976.
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