Posamentier, A. S., & Lehmann, I. (2009). Mathematical amazements and surprises: Fascinating figures and noteworthy numbers. Prometheus Books.
Citace podle Chicago (17th ed.)Posamentier, Alfred S., a Ingmar Lehmann. Mathematical Amazements and Surprises: Fascinating Figures and Noteworthy Numbers. Amherst, NY: Prometheus Books, 2009.
Citace podle MLA (8th ed.)Posamentier, Alfred S., a Ingmar Lehmann. Mathematical Amazements and Surprises: Fascinating Figures and Noteworthy Numbers. Prometheus Books, 2009.
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