Jeffreys, H. (1998). Theory of probability (3rd ed.). Clarendon.
Dyfyniad Arddull ChicagoJeffreys, Harold. Theory of Probability. 3rd ed. Oxford: Clarendon, 1998.
Dyfyniad MLAJeffreys, Harold. Theory of Probability. 3rd ed. Clarendon, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.