Dyfyniad APA

Langmuir, D. (1997). Aqueous Environmental Geochemistry. Prentice-Hall of India.

Dyfyniad Arddull Chicago

Langmuir, Donald. Aqueous Environmental Geochemistry. New Jersey: Prentice-Hall of India, 1997.

Dyfyniad MLA

Langmuir, Donald. Aqueous Environmental Geochemistry. Prentice-Hall of India, 1997.

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