Não informado. (1961). Development Assistance. Organization for Economic Co-operation and Development.
Chicagoスタイル(17版)引用形式Não informado. Development Assistance. Paris: Organization for Economic Co-operation and Development, 1961.
MLA(8版)引用形式Não informado. Development Assistance. Organization for Economic Co-operation and Development, 1961.
警告: この引用は必ずしも正確ではありません.