World Health Organization & World Health Organization. Selected non-heterocyclic polycyclic aromatic hydrocarbonsPolycyclic aromatic hydrocarbons, selected non-heterocyclic.
Chicago-viite (17. p.)World Health Organization ja World Health Organization. Selected Non-heterocyclic Polycyclic Aromatic HydrocarbonsPolycyclic Aromatic Hydrocarbons, Selected Non-heterocyclic.
MLA-viite (8. p.)World Health Organization ja World Health Organization. Selected Non-heterocyclic Polycyclic Aromatic HydrocarbonsPolycyclic Aromatic Hydrocarbons, Selected Non-heterocyclic.
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