Epstein, L. C. Relativity visualized. Insight Press.
Lua i Stíl Chicago (17ú heag.)Epstein, Lewis Carroll. Relativity Visualized. Insight Press.
Lua MLA (8ú heag.)Epstein, Lewis Carroll. Relativity Visualized. Insight Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.