Gaya APA

ROBERT, F. (2020). KENKEN: LIM-OPS, NO-OPS AND TWIST!: 180 6 X 6 PUZZLES THAT MAKE YOU SMARTER . : World Scientific Publishing Co.

Gaya MLA

ROBERT, FUHRER. "KENKEN: LIM-OPS, NO-OPS AND TWIST!: 180 6 X 6 PUZZLES THAT MAKE YOU SMARTER". : World Scientific Publishing Co, 2020. S2-Pendidikan Bahasa Arab.