Jeffrey, R. (1992). Probability and the Art of Judgment. Cambridge University Press.
Dyfyniad Arddull ChicagoJeffrey, Richard. Probability and the Art of Judgment. Cambridge: Cambridge University Press, 1992.
Dyfyniad MLAJeffrey, Richard. Probability and the Art of Judgment. Cambridge University Press, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.