(2010). WHO human health risk assessment toolkit: Chemical Hazards. World Health Organization.
Chicago Style aipamenaWHO Human Health Risk Assessment Toolkit: Chemical Hazards. Geneva, Switzerland: World Health Organization, 2010.
MLA aipamenaWHO Human Health Risk Assessment Toolkit: Chemical Hazards. World Health Organization, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.