Dyfyniad APA

Johnston, G. (1947). Journey through tomorrow. Cheshire.

Dyfyniad Arddull Chicago

Johnston, George. Journey Through Tomorrow. Melbourne: Cheshire, 1947.

Dyfyniad MLA

Johnston, George. Journey Through Tomorrow. Cheshire, 1947.

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