Rupinder Aul. (2019). A Mind Game For All - HARD Sudoku Puzzles - 2 (2019.). Manoj Publications.
Chicagoスタイル(17版)引用形式Rupinder Aul. A Mind Game For All - HARD Sudoku Puzzles - 2. 2019. Manoj Publications, 2019.
MLA(9版)引用形式Rupinder Aul. A Mind Game For All - HARD Sudoku Puzzles - 2. 2019. Manoj Publications, 2019.
警告: この引用は必ずしも正確ではありません.