APA Style
ANDREESCU, Titu. (2009).
MATHEMATICAL OLYMPIAD CHALLENGES (SECOND).
United States:
Springer.
Chicago Style
ANDREESCU, Titu.
MATHEMATICAL OLYMPIAD CHALLENGES.
SECOND
United States:
Springer,
2009.
Buku.
MLA Style
ANDREESCU, Titu.
MATHEMATICAL OLYMPIAD CHALLENGES.
SECOND
United States:
Springer,
2009.
Buku.
Turabian Style
ANDREESCU, Titu.
MATHEMATICAL OLYMPIAD CHALLENGES.
SECOND
United States:
Springer,
2009.
Buku.