Dyfyniad APA

Anyakora, C. (2007). Environmental impact of polynuclear aromatic hydrocarbons, 2007. Research Signpost.

Dyfyniad Arddull Chicago

Anyakora, Chimezie. Environmental Impact of Polynuclear Aromatic Hydrocarbons, 2007. Trivandrum: Research Signpost, 2007.

Dyfyniad MLA

Anyakora, Chimezie. Environmental Impact of Polynuclear Aromatic Hydrocarbons, 2007. Research Signpost, 2007.

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