Gaya APA
ERIN, H, A, M, &, H. (2022).
HUNGARIAN MATHEMATICAL OLYMPIAD (1964-1997): PROBLEMS AND SOLUTIONS .
:
World Scientific Publishing Co.
Gaya MLA
ERIN, HARTKOPF, ANNA, MARIA, &, HENNING.
"HUNGARIAN MATHEMATICAL OLYMPIAD (1964-1997): PROBLEMS AND SOLUTIONS".
:
World Scientific Publishing Co,
2022.
S2-Pendidikan Bahasa Arab.