Gaya APA

AL, G, R, E. (2020). MATHEMATICAL NUGGETS FROM AUSTRIA: SELECTED PROBLEMS FROM THE STYRIAN MID-SECONDARY SCHOOL MATHEMATICS COMPETITIONS . : World Scientific Publishing Co.

Gaya MLA

AL, GERETSCHLAGER, ROBERT, ET. "MATHEMATICAL NUGGETS FROM AUSTRIA: SELECTED PROBLEMS FROM THE STYRIAN MID-SECONDARY SCHOOL MATHEMATICS COMPETITIONS". : World Scientific Publishing Co, 2020. S2-Pendidikan Bahasa Arab.