Andreescu, T. (2011). Mathematical olympiad treasures (2nd. ed.). Birkhauser.
Chicago Style aipamenaAndreescu, Titu. Mathematical Olympiad Treasures. 2nd. ed. New York: Birkhauser, 2011.
MLA aipamenaAndreescu, Titu. Mathematical Olympiad Treasures. 2nd. ed. Birkhauser, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.