Dyfyniad APA

Canada. Mines Branch. (1959). Technical bulletin - Dept. of Energy, Mines and Resources, Mines Branch.

Dyfyniad Arddull Chicago

Canada. Mines Branch. Technical Bulletin - Dept. of Energy, Mines and Resources, Mines Branch. Ottawa, 1959.

Dyfyniad MLA

Canada. Mines Branch. Technical Bulletin - Dept. of Energy, Mines and Resources, Mines Branch. 1959.

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