Gaya APA
Andreescu, Titu & Gelca, Razvan. (2009).
Mathematical Olympiad Challenges Second Edition (Second Edition).
Boston:
Birkhauser.
Gaya Chicago
Andreescu, Titu & Gelca, Razvan.
Mathematical Olympiad Challenges Second Edition.
Second Edition
Boston:
Birkhauser,
2009.
Printed Book.
Gaya MLA
Andreescu, Titu & Gelca, Razvan.
Mathematical Olympiad Challenges Second Edition.
Second Edition
Boston:
Birkhauser,
2009.
Printed Book.
Gaya Turabian
Andreescu, Titu & Gelca, Razvan.
Mathematical Olympiad Challenges Second Edition.
Second Edition
Boston:
Birkhauser,
2009.
Printed Book.