Koestler, A. (1964). The act of creation. Dell Publishing.
Lua i Stíl Chicago (17ú heag.)Koestler, Arthur. The Act of Creation. New York: Dell Publishing, 1964.
Lua MLA (9ú heag.)Koestler, Arthur. The Act of Creation. Dell Publishing, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.