Rohrlich, F. (1987). From paradox to reality. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Rohrlich, Fritz. From Paradox to Reality. Cambridge: Cambridge University Press, 1987.
Lua MLA (9ú heag.)Rohrlich, Fritz. From Paradox to Reality. Cambridge University Press, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.