World Health Organization. (1990). Health education in the control of schistosomiasis. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Health Education in the Control of Schistosomiasis. Geneva: World Health Organization, 1990.
Citatione MLA (8a ed.)World Health Organization. Health Education in the Control of Schistosomiasis. World Health Organization, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.