एपीए उद्धरण

Ash, A., & Ash, A. G. (2006). Fearless symmetry: Exposing the hidden patterns of numbers. Princeton University Press.

शिकागो स्टाइल उद्धरण

Ash, Avner, और Avner; Gross Ash. Fearless Symmetry: Exposing the Hidden Patterns of Numbers. Princeton: Princeton University Press, 2006.

एमएलए उद्धरण

Ash, Avner, और Avner; Gross Ash. Fearless Symmetry: Exposing the Hidden Patterns of Numbers. Princeton University Press, 2006.