Não informado. (1937). Bulletin of the Health Organisation. League of Nations.
Style de citation Chicago (17e éd.)Não informado. Bulletin of the Health Organisation. Geneva, Suíça: League of Nations, 1937.
Style de citation MLA (8e éd.)Não informado. Bulletin of the Health Organisation. League of Nations, 1937.
Attention : ces citations peuvent ne pas être correctes à 100%.