Hirst, K., & Rhodes, F. (1971). Conceptual models in mathematics: Sets, logic and probability. Allen and Unwin.
Citace podle Chicago (17th ed.)Hirst, Keith, a F. Rhodes. Conceptual Models in Mathematics: Sets, Logic and Probability. London: Allen and Unwin, 1971.
Citace podle MLA (8th ed.)Hirst, Keith, a F. Rhodes. Conceptual Models in Mathematics: Sets, Logic and Probability. Allen and Unwin, 1971.
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