Dyfyniad APA

Verne, J. (1972). Journey to the centre of the earth. Bancroft books.

Dyfyniad Arddull Chicago

Verne, Jules. Journey to the Centre of the Earth. London: Bancroft books, 1972.

Dyfyniad MLA

Verne, Jules. Journey to the Centre of the Earth. Bancroft books, 1972.

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