Babinska︠i︡a, I. L. (1975). Zadachi matematicheskikh olimpiad. Nauka.
Chicago Style (17th ed.) CitationBabinska︠i︡a, I. L. Zadachi Matematicheskikh Olimpiad. Moskva: Nauka, 1975.
MLA (8th ed.) CitationBabinska︠i︡a, I. L. Zadachi Matematicheskikh Olimpiad. Nauka, 1975.
Warning: These citations may not always be 100% accurate.