Não informado. (1920). British Yearbook of International Law. Royal Institute of International Affairs.
Style de citation Chicago (17e éd.)Não informado. British Yearbook of International Law. Oxford, Inglaterra: Royal Institute of International Affairs, 1920.
Style de citation MLA (8e éd.)Não informado. British Yearbook of International Law. Royal Institute of International Affairs, 1920.
Attention : ces citations peuvent ne pas être correctes à 100%.