Não informado. (1945). World today. Royal Institute of International Affairs.
Chicagoスタイル(17版)引用形式Não informado. World Today. London: Royal Institute of International Affairs, 1945.
MLA(8版)引用形式Não informado. World Today. Royal Institute of International Affairs, 1945.
警告: この引用は必ずしも正確ではありません.