Dyfyniad APA

ebrary, Inc, & Harrison, R. M. (2007). Principles of environmental chemistry. RSC Publishing.

Dyfyniad Arddull Chicago

ebrary, Inc, and Roy M. Harrison. Principles of Environmental Chemistry. Cambridge: RSC Publishing, 2007.

Dyfyniad MLA

ebrary, Inc, and Roy M. Harrison. Principles of Environmental Chemistry. RSC Publishing, 2007.

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