Dyfyniad APA

World Health Organization, G. (1998). International Programmine on Chemical Safety. Geneva:WHO.

Dyfyniad Arddull Chicago

World Health Organization, Geneva. International Programmine on Chemical Safety. Boron: Geneva:WHO, 1998.

Dyfyniad MLA

World Health Organization, Geneva. International Programmine on Chemical Safety. Geneva:WHO, 1998.

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