World Health Organization UNICEF EDC. (2003). WHO information series on School health: Document eight. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization UNICEF EDC. WHO Information Series on School Health: Document Eight. Geneva: World Health Organization, 2003.
MLA-referens (8:e uppl.)World Health Organization UNICEF EDC. WHO Information Series on School Health: Document Eight. World Health Organization, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.