Não informado. (1958). International journal of health education. International Union for Health Education.
Chicago (17e ed.) BronvermeldingNão informado. International Journal of Health Education. Geneva, Suíça: International Union for Health Education, 1958.
MLA (8e ed.) BronvermeldingNão informado. International Journal of Health Education. International Union for Health Education, 1958.
Let op: Deze citaties zijn niet altijd 100% accuraat.