(1969). Surveys of African economies: Dahomey, Ivory Coast, Mauritania, Niger, Senegal, Togo, and Upper Volta. Washington.
シカゴスタイル引用形Surveys of African Economies: Dahomey, Ivory Coast, Mauritania, Niger, Senegal, Togo, and Upper Volta. Washington, 1969.
MLA引用形式Surveys of African Economies: Dahomey, Ivory Coast, Mauritania, Niger, Senegal, Togo, and Upper Volta. Washington, 1969.
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