APA (7th ed.) Zitazioa
Jeffreys, H. (1998). Theory of probability (3rd ed.). Clarendon.
Chicago Style (17th ed.) Zitazioa
Jeffreys, Harold. Theory of Probability. 3rd ed. Oxford: Clarendon, 1998.
MLA (9th ed.) Zitazioa
Jeffreys, Harold. Theory of Probability. 3rd ed. Clarendon, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.