Jaynes, E. T. (2003-06-09). "Section 5.3 Converging and diverging views". In Bretthorst, G. Larry (ed.). Probability Theory: The Logic of Science (in English) (1 edition ed.). Cambridge University Press. ISBN9780521592710. {{cite book}}: |edition= has extra text (help)CS1 maint: unrecognized language (link)
Finetti, Bruno de (1970). "Logical foundations and measurement of subjective probability". Acta Psychologica34: 129–145. doi:10.1016/0001-6918(70)90012-0.
stanford.edu
plato.stanford.edu
Hájek, Alan. "Interpretations of Probability". The Stanford Encyclopedia of Philosophy (Winter 2012 Edition), Edward N. Zalta (ed.). Retrieved 22 April 2013.