Dyfyniad APA

Harrison, R. M. (2007). Principles of environmental chemistry. Royal Society of Chemistry.

Dyfyniad Arddull Chicago

Harrison, Roy M. Principles of Environmental Chemistry. Cambridge: Royal Society of Chemistry, 2007.

Dyfyniad MLA

Harrison, Roy M. Principles of Environmental Chemistry. Royal Society of Chemistry, 2007.

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