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