Dyfyniad APA

Morton, O. (2002). Mapping mars: Science, imagination, and the birth of a world. Picador.

Dyfyniad Arddull Chicago

Morton, Oliver. Mapping Mars: Science, Imagination, and the Birth of a World. New York: Picador, 2002.

Dyfyniad MLA

Morton, Oliver. Mapping Mars: Science, Imagination, and the Birth of a World. Picador, 2002.

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