Não informado. (1962). World Health Statistics Annual. World Health Organization.
Lua i Stíl Chicago (17ú heag.)Não informado. World Health Statistics Annual. Geneve, Suíça: World Health Organization, 1962.
Lua MLA (8ú heag.)Não informado. World Health Statistics Annual. World Health Organization, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.