SpringerLink (Online service), Lagarias, J. C., & Ferguson, S. (2011). The Kepler conjecture: The Hales- Ferguson proof by Thomas Hales, Samuel Ferguson. Birkhäuser.
芝加哥风格引文SpringerLink (Online service), Jeffrey C. Lagarias, 与 Samuel Ferguson. The Kepler Conjecture: The Hales- Ferguson Proof by Thomas Hales, Samuel Ferguson. New York: Birkhäuser, 2011.
MLA引文SpringerLink (Online service), et al. The Kepler Conjecture: The Hales- Ferguson Proof by Thomas Hales, Samuel Ferguson. Birkhäuser, 2011.
警告：这些引文格式不一定是100％准确.