Παραπομπή σε μορφή APA (7η εκδ.)

Soifer, A. (2011). The Colorado Mathematical Olympiad and Further Explorations: From the Mountains of Colorado to the Peaks of Mathematics. Springer US.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Soifer, Alexander. The Colorado Mathematical Olympiad and Further Explorations: From the Mountains of Colorado to the Peaks of Mathematics. Boston, MA: Springer US, 2011.

Παραπομπή σε μορφή MLA (8th εκδ.)

Soifer, Alexander. The Colorado Mathematical Olympiad and Further Explorations: From the Mountains of Colorado to the Peaks of Mathematics. Springer US, 2011.