Hoffmann, B. (1966). Perspectives in geometry and relativity: Essays in honor of Vaclav Hlavaty. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)Hoffmann, Banesh. Perspectives in Geometry and Relativity: Essays in Honor of Vaclav Hlavaty. Bollomington: Indiana University Press, 1966.
Lua MLA (9ú heag.)Hoffmann, Banesh. Perspectives in Geometry and Relativity: Essays in Honor of Vaclav Hlavaty. Indiana University Press, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.