Kyburg, H. J. (1969). Probability theory. Prentice-Hall, Inc.
Lua i Stíl Chicago (17ú heag.)Kyburg, Henry Jr. Probability Theory. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1969.
Lua MLA (9ú heag.)Kyburg, Henry Jr. Probability Theory. Prentice-Hall, Inc, 1969.
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