SINGH, S. MATHS OLYMPIAD INTERNATIONAL MATHEMATICS OLYMPIAD- 5. V & S PUBLISHER.
Čikaški stil citiranja (17. izdanje)SINGH, SHRADDHA. MATHS OLYMPIAD INTERNATIONAL MATHEMATICS OLYMPIAD- 5. NEW DELHI: V & S PUBLISHER.
MLA način citiranja (9. izdanje)SINGH, SHRADDHA. MATHS OLYMPIAD INTERNATIONAL MATHEMATICS OLYMPIAD- 5. V & S PUBLISHER.
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