Soifer, A. (2011). The Colorado mathematical olympiad and further explorations: From the mountains of Colorado to the peaks of Mathematics. Springer New York.
Cita Chicago (17th ed.)Soifer, Alexander. The Colorado Mathematical Olympiad and Further Explorations: From the Mountains of Colorado to the Peaks of Mathematics. New York, New York: Springer New York, 2011.
Cita MLA (9th ed.)Soifer, Alexander. The Colorado Mathematical Olympiad and Further Explorations: From the Mountains of Colorado to the Peaks of Mathematics. Springer New York, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.