APA (7 ম সংস্করণ) উদ্ধৃতি

Hsiang, W. Y. (2001). Least action principle of crystal formation of dense packing type and the proof of Kepler's conjecture. World Scientific.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Hsiang, Wu Yi. Least Action Principle of Crystal Formation of Dense Packing Type and the Proof of Kepler's Conjecture. Singapore ; River Edge, NJ: World Scientific, 2001.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Hsiang, Wu Yi. Least Action Principle of Crystal Formation of Dense Packing Type and the Proof of Kepler's Conjecture. World Scientific, 2001.