APA aipamena

Koestler, A. (1964). The act of creation. London: Hutchinson.

Chicago Style aipamena

Koestler, Arthur. The Act of Creation. London: Hutchinson, 1964.

MLA aipamena

Koestler, Arthur. The Act of Creation. London: Hutchinson, 1964.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.