Não informado. (1947). Chronicle of the World Health Organization. World Health Organization.
Style de citation Chicago (17e éd.)Não informado. Chronicle of the World Health Organization. Geneve, Suíça: World Health Organization, 1947.
Style de citation MLA (8e éd.)Não informado. Chronicle of the World Health Organization. World Health Organization, 1947.
Attention : ces citations peuvent ne pas être correctes à 100%.