World Health Organization. (1990). Health education in the control of schistosomiasis. World Health Organization.
Chicago (17e ed.) BronvermeldingWorld Health Organization. Health Education in the Control of Schistosomiasis. Geneva: World Health Organization, 1990.
MLA (8e ed.) BronvermeldingWorld Health Organization. Health Education in the Control of Schistosomiasis. World Health Organization, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.