Παραπομπή APA

Hajos, G., Neukomm, G., Suranyi, J., Kurschak, J., & Rapaport, E. (1963). Hungarian problem book: Based on the Eotvos competitions. Washington: Mathematical Association of America.

Παραπομπή Chicago Style

Hajos, G., G. Neukomm, J. Suranyi, Jozsef Kurschak, and Elvira Rapaport. Hungarian Problem Book: Based On the Eotvos Competitions. Washington: Mathematical Association of America, 1963.

Παραπομπή MLA

Hajos, G., et al. Hungarian Problem Book: Based On the Eotvos Competitions. Washington: Mathematical Association of America, 1963.

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