World Health Organization UNICEF EDC. (2003). WHO information series on School health: Document eight. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization UNICEF EDC. WHO Information Series on School Health: Document Eight. Geneva: World Health Organization, 2003.
Citatione MLA (8a ed.)World Health Organization UNICEF EDC. WHO Information Series on School Health: Document Eight. World Health Organization, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.