Dyfyniad APA

Mason, B., & Moore, C. B. (1958). Principles of geochemistry / Ed. 2 (Ed.2.). John Wiley & sons.

Dyfyniad Arddull Chicago

Mason, Brian, and Carleton B. Moore. Principles of Geochemistry / Ed. 2. Ed.2. Chichester: John Wiley & sons, 1958.

Dyfyniad MLA

Mason, Brian, and Carleton B. Moore. Principles of Geochemistry / Ed. 2. Ed.2. John Wiley & sons, 1958.

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