Dyfyniad APA

(2010). WHO human health risk assessment toolkit: Chemical Hazards. World Health Organization.

Dyfyniad Arddull Chicago

WHO Human Health Risk Assessment Toolkit: Chemical Hazards. Geneva, Switzerland: World Health Organization, 2010.

Dyfyniad MLA

WHO Human Health Risk Assessment Toolkit: Chemical Hazards. World Health Organization, 2010.

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