Não informado. (1962). World Health Statistics Annual. World Health Organization.
Chicagoスタイル(17版)引用形式Não informado. World Health Statistics Annual. Geneve, Suíça: World Health Organization, 1962.
MLA(8版)引用形式Não informado. World Health Statistics Annual. World Health Organization, 1962.
警告: この引用は必ずしも正確ではありません.