League of Nations. (1926). The official vital statistics of the Republic of Portugal. [s.n.].
Style de citation Chicago (17e éd.)League of Nations. The Official Vital Statistics of the Republic of Portugal. Geneva: [s.n.], 1926.
Style de citation MLA (9e éd.)League of Nations. The Official Vital Statistics of the Republic of Portugal. [s.n.], 1926.
Attention : ces citations peuvent ne pas être correctes à 100%.