Eco, U. (1990). Foucalt's pendulum. Ballantine Books.
Chicago Style aipamenaEco, Umberto. Foucalt's Pendulum. New York: Ballantine Books, 1990.
MLA aipamenaEco, Umberto. Foucalt's Pendulum. Ballantine Books, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.