Dyfyniad APA

Hilbert, D. (1952). Geometry and the imagination. Chelsea Publishing.

Dyfyniad Arddull Chicago

Hilbert, David. Geometry and the Imagination. New York: Chelsea Publishing, 1952.

Dyfyniad MLA

Hilbert, David. Geometry and the Imagination. Chelsea Publishing, 1952.

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