ebrary, Inc, Neukomm, G., Surányi, J., & Hajós, G. (1963). Hungarian problem book I: Based on the Eotvos Competitions, 1894-1905. Mathematical Association of America.
Citazione stile Chigago Style (17a edizione)ebrary, Inc, G. Neukomm, János Surányi, e György Hajós. Hungarian Problem Book I: Based on the Eotvos Competitions, 1894-1905. Washington, DC: Mathematical Association of America, 1963.
Citatione MLA (9a ed.)ebrary, Inc, et al. Hungarian Problem Book I: Based on the Eotvos Competitions, 1894-1905. Mathematical Association of America, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.