Gaya APA
ANDREESCU, Titu, GELCA, Razvan. (2009).
Mathematical Olympiad Challenges (2nd ed.).
New York:
Birkhauser Boston.
Gaya Chicago
ANDREESCU, Titu, GELCA, Razvan.
Mathematical Olympiad Challenges.
2nd ed.
New York:
Birkhauser Boston,
2009.
.
Gaya MLA
ANDREESCU, Titu, GELCA, Razvan.
Mathematical Olympiad Challenges.
2nd ed.
New York:
Birkhauser Boston,
2009.
.
Gaya Turabian
ANDREESCU, Titu, GELCA, Razvan.
Mathematical Olympiad Challenges.
2nd ed.
New York:
Birkhauser Boston,
2009.
.