Dyfyniad APA

World Health Organization & World Health Organization. Nitro- and nitro-oxypolycyclic aromatic hydrocarbons, selected.

Dyfyniad Arddull Chicago

World Health Organization and World Health Organization. Nitro- and Nitro-oxypolycyclic Aromatic Hydrocarbons, Selected.

Dyfyniad MLA

World Health Organization and World Health Organization. Nitro- and Nitro-oxypolycyclic Aromatic Hydrocarbons, Selected.

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