APA-referens (7:e uppl.)

Jeffreys, H. (1998). Theory of probability (3rd ed.). Clarendon.

Chicago-referens (17:e uppl.)

Jeffreys, Harold. Theory of Probability. 3rd ed. Oxford: Clarendon, 1998.

MLA-referens (9:e uppl.)

Jeffreys, Harold. Theory of Probability. 3rd ed. Clarendon, 1998.