Dyfyniad APA

Stewart, I. . G. (1992). Fearful symmetry: Is God a Geometer? (1.). Penguin Books.

Dyfyniad Arddull Chicago

Stewart, Ian; Golubitsky. Fearful Symmetry: Is God a Geometer? 1. London: Penguin Books, 1992.

Dyfyniad MLA

Stewart, Ian; Golubitsky. Fearful Symmetry: Is God a Geometer? 1. Penguin Books, 1992.

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