Cita APA

Andreescu, T., & Gelca, R. (2000). Mathematical olympiad challenges (2.). Birkhauser.

Chicago Edition Citation

Andreescu, Titu, i Razvan Gelca. Mathematical Olympiad Challenges. 2. Birkhauser, 2000.

Cita MLA

Andreescu, Titu, i Razvan Gelca. Mathematical Olympiad Challenges. 2. Birkhauser, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.