APA-viite (7. p.)
ebrary, Inc, Neukomm, G., Surányi, J., & Hajós, G. (1963). Hungarian problem book I: Based on the Eotvos Competitions, 1894-1905. Mathematical Association of America.
Chicago-viite (17. p.)
ebrary, Inc, G. Neukomm, János Surányi, ja György Hajós. Hungarian Problem Book I: Based on the Eotvos Competitions, 1894-1905. Washington, DC: Mathematical Association of America, 1963.
MLA-viite (9. p.)
ebrary, Inc, et al. Hungarian Problem Book I: Based on the Eotvos Competitions, 1894-1905. Mathematical Association of America, 1963.
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