Dyfyniad APA

Bulletin of the Mineral Research and Exploration | General Directorate of Mineral Research and Exploration. Cambridge University Press.

Dyfyniad Arddull Chicago

Bulletin of the Mineral Research and Exploration | General Directorate of Mineral Research and Exploration. Cambridge University Press.

Dyfyniad MLA

Bulletin of the Mineral Research and Exploration | General Directorate of Mineral Research and Exploration. Cambridge University Press.

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