Dyfyniad APA

Mason, B., & Moore, C. B. (1958). Principles of geochemistry. John Wiley & Sons.

Dyfyniad Arddull Chicago

Mason, Brian, and Carleton B. Moore. Principles of Geochemistry. Chichester: John Wiley & Sons, 1958.

Dyfyniad MLA

Mason, Brian, and Carleton B. Moore. Principles of Geochemistry. John Wiley & Sons, 1958.

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