APA
Games T. T. M., . (2009). The Times Ultimate Killer Su Doku: 120 Challenging Puzzles from the Times (the Times Su Doku). : Times Books.
Chicago
Games The Times Mind, . 2009. The Times Ultimate Killer Su Doku: 120 Challenging Puzzles from the Times (the Times Su Doku). : Times Books.
Harvard
Games T. T. M., . (2009). The Times Ultimate Killer Su Doku: 120 Challenging Puzzles from the Times (the Times Su Doku). : Times Books.
MLA
Games The Times Mind, . The Times Ultimate Killer Su Doku: 120 Challenging Puzzles from the Times (the Times Su Doku). : Times Books. 2009.