Soifer, A. (2011). The Colorado mathematical olympiad and further explorations: From the mountains of Colorado to the peaks of Mathematics. Springer New York.
Dyfyniad Arddull ChicagoSoifer, 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.
Dyfyniad MLASoifer, Alexander. The Colorado Mathematical Olympiad and Further Explorations: From the Mountains of Colorado to the Peaks of Mathematics. Springer New York, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.