Dyfyniad APA

World Health Organization UNICEF EDC. (2003). WHO information series on School health: Document eight. World Health Organization.

Dyfyniad Arddull Chicago

World Health Organization UNICEF EDC. WHO Information Series on School Health: Document Eight. Geneva: World Health Organization, 2003.

Dyfyniad MLA

World Health Organization UNICEF EDC. WHO Information Series on School Health: Document Eight. World Health Organization, 2003.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.