Shubnikov, A. V., & Koptsik, V. A. (1974). Symmetry in Science and Art. Plenum Press.
Lua i Stíl Chicago (17ú heag.)Shubnikov, Aleksei Vasilevich, agus Vladimir Aleksandrovich Koptsik. Symmetry in Science and Art. Nueva York: Plenum Press, 1974.
Lua MLA (9ú heag.)Shubnikov, Aleksei Vasilevich, agus Vladimir Aleksandrovich Koptsik. Symmetry in Science and Art. Plenum Press, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.