(2003). IPCS: Hydrogen sulfide- human health aspects. World Health Organisation.
Chicago Style aipamenaIPCS: Hydrogen Sulfide- Human Health Aspects. Geneva: World Health Organisation, 2003.
MLA aipamenaIPCS: Hydrogen Sulfide- Human Health Aspects. World Health Organisation, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.