Gaya APA
TODEV,R. (2011).
1000 problems from mathematical olympiads 2008/2009 .
USA:
La Vergne.
Gaya Chicago
TODEV,R.
1000 problems from mathematical olympiads 2008/2009.
USA:
La Vergne,
2011.
.
Gaya MLA
TODEV,R.
1000 problems from mathematical olympiads 2008/2009.
USA:
La Vergne,
2011.
.
Gaya Turabian
TODEV,R.
1000 problems from mathematical olympiads 2008/2009.
USA:
La Vergne,
2011.
.