Não informado. (1947). Official Records of the World Health Organization. World Health Organization.
Chicagoスタイル(17版)引用形式Não informado. Official Records of the World Health Organization. Geneva, Suíça: World Health Organization, 1947.
MLA(8版)引用形式Não informado. Official Records of the World Health Organization. World Health Organization, 1947.
警告: この引用は必ずしも正確ではありません.