Delahaye, J. The science behind sudoku. (article). 6 p.70-77 Jun 2006.
Chicago Style (17th ed.) CitationDelahaye, Jean-Paul. The Science Behind Sudoku. (article). v294: 6 p.70-77 Jun 2006.
MLA (9th ed.) CitationDelahaye, Jean-Paul. The Science Behind Sudoku. (article). 6 p.70-77 Jun 2006.
Warning: These citations may not always be 100% accurate.