Não informado. (1984). Education for Health. World Health Organization, Division of Public Information and Education.
Chicago (17e ed.) BronvermeldingNão informado. Education for Health. Geneva, Suíça: World Health Organization, Division of Public Information and Education, 1984.
MLA (8e ed.) BronvermeldingNão informado. Education for Health. World Health Organization, Division of Public Information and Education, 1984.
Let op: Deze citaties zijn niet altijd 100% accuraat.