Havil, J. (2010). Nonplussed!: Mathematical proof of implausible ideas. Princeton University Press.
芝加哥风格引文Havil, Julian. Nonplussed!: Mathematical Proof of Implausible Ideas. Princeton, N.J. ; Woodstock: Princeton University Press, 2010.
MLA引文Havil, Julian. Nonplussed!: Mathematical Proof of Implausible Ideas. Princeton University Press, 2010.
警告：这些引文格式不一定是100％准确.