Não informado. (1962). World Health Statistics Annual. World Health Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. World Health Statistics Annual. Geneve, Suíça: World Health Organization, 1962.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. World Health Statistics Annual. World Health Organization, 1962.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.