Dyfyniad APA

Mason, B. (1952). Principles of geochemistry.2nd ed (2nd ed.). John Wiley & Sons.

Dyfyniad Arddull Chicago

Mason, Brian. Principles of Geochemistry.2nd Ed. 2nd ed. Chichester: John Wiley & Sons, 1952.

Dyfyniad MLA

Mason, Brian. Principles of Geochemistry.2nd Ed. 2nd ed. John Wiley & Sons, 1952.

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