Jeffrey, R. C. (1992). Probability and the art of judgment. C.U.Pr..
Cita Chicago Style (17a ed.)Jeffrey, Richard C. Probability and the Art of Judgment. Cambridge: C.U.Pr., 1992.
Cita MLA (9a ed.)Jeffrey, Richard C. Probability and the Art of Judgment. C.U.Pr., 1992.
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