Não informado. (1947). Economic Survey of Europe. United Nations, Department of Economic and Social Affairs.
Chicagoスタイル(17版)引用形式Não informado. Economic Survey of Europe. Geneve, Suíça: United Nations, Department of Economic and Social Affairs, 1947.
MLA(8版)引用形式Não informado. Economic Survey of Europe. United Nations, Department of Economic and Social Affairs, 1947.
警告: この引用は必ずしも正確ではありません.