APA استشهاد

Soifer, A. (2011). Colarado mathematical olympiad and further explorations: From the mountains of colouado to the peaks of mathematics. Springer.

استشهاد بنمط شيكاغو

Soifer, Alexander. Colarado Mathematical Olympiad and Further Explorations: From the Mountains of Colouado to the Peaks of Mathematics. New York: Springer, 2011.

MLA استشهاد

Soifer, Alexander. Colarado Mathematical Olympiad and Further Explorations: From the Mountains of Colouado to the Peaks of Mathematics. Springer, 2011.