Não informado. (1920). British Yearbook of International Law. Royal Institute of International Affairs.
Chicagoスタイル(17版)引用形式Não informado. British Yearbook of International Law. Oxford, Inglaterra: Royal Institute of International Affairs, 1920.
MLA(8版)引用形式Não informado. British Yearbook of International Law. Royal Institute of International Affairs, 1920.
警告: この引用は必ずしも正確ではありません.