Dyfyniad APA

Langmuir, D. (1997). Aqueous environmental geochemistry. Prentice Hall.

Dyfyniad Arddull Chicago

Langmuir, Donald. Aqueous Environmental Geochemistry. Upper Saddle River, N.J.: Prentice Hall, 1997.

Dyfyniad MLA

Langmuir, Donald. Aqueous Environmental Geochemistry. Prentice Hall, 1997.

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