Não informado. (1993). Promotion and Education. International Union for Health Promotion and Education.
Chicago (17e ed.) BronvermeldingNão informado. Promotion and Education. Paris: International Union for Health Promotion and Education, 1993.
MLA (8e ed.) BronvermeldingNão informado. Promotion and Education. International Union for Health Promotion and Education, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.