Não informado. (1962). World Health Statistics Annual. World Health Organization.
Chicago-Zitierstil (17. Ausg.)Não informado. World Health Statistics Annual. Geneve, Suíça: World Health Organization, 1962.
MLA-Zitierstil (8. Ausg.)Não informado. World Health Statistics Annual. World Health Organization, 1962.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.