Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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