Gaya APA
Todev, R.. (2010).
Problems From: Mathematical Olympiads .
USA:
Lexington.
Gaya Chicago
Todev, R..
Problems From: Mathematical Olympiads.
USA:
Lexington,
2010.
Printed Book.
Gaya MLA
Todev, R..
Problems From: Mathematical Olympiads.
USA:
Lexington,
2010.
Printed Book.
Gaya Turabian
Todev, R..
Problems From: Mathematical Olympiads.
USA:
Lexington,
2010.
Printed Book.