Andreescu, T., & Gelca, R. (2010). Mathematical olympiad challenges. Springer.
Chicago Edition CitationAndreescu, Titu, and Razvan Gelca. Mathematical Olympiad Challenges. New Delhi: Springer, 2010.
MLA引文Andreescu, Titu, and Razvan Gelca. Mathematical Olympiad Challenges. Springer, 2010.
警告:這些引文格式不一定是100%准確.