Dyson, F. Imagined worlds. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Dyson, Freeman. Imagined Worlds. New York: Harvard University Press.
Lua MLA (9ú heag.)Dyson, Freeman. Imagined Worlds. Harvard University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.