Rupinder Aul. (2019). A Mind Game For All - MEDIUM Sudoku Puzzles - 4 (2019.). Manoj Publications.
Chicago-čujuhus (17. p.)Rupinder Aul. A Mind Game For All - MEDIUM Sudoku Puzzles - 4. 2019. Manoj Publications, 2019.
MLA-čujuhus (9. p.)Rupinder Aul. A Mind Game For All - MEDIUM Sudoku Puzzles - 4. 2019. Manoj Publications, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.