Dyfyniad APA

Twelvetrees, W. H. (1918). The Bangor Mineral District. John Vail, Govt. Printer.

Dyfyniad Arddull Chicago

Twelvetrees, W. H. The Bangor Mineral District. Hobart: John Vail, Govt. Printer, 1918.

Dyfyniad MLA

Twelvetrees, W. H. The Bangor Mineral District. John Vail, Govt. Printer, 1918.

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