Ash, A., & Gross, R. (2006). Fearless symmetry: Exposing the hidden patterns of numbers. Princeton University Press.
芝加哥风格引文Ash, Avner, 与 Robert Gross. Fearless Symmetry: Exposing the Hidden Patterns of Numbers. Princeton: Princeton University Press, 2006.
MLA引文Ash, Avner, 与 Robert Gross. Fearless Symmetry: Exposing the Hidden Patterns of Numbers. Princeton University Press, 2006.
警告：这些引文格式不一定是100％准确.