Lim, T. G. (2009). Art Of Sudoku # 2. Twin Tree Publishing.
Chicago Style (17th ed.) CitationLim, Teck Guan. Art Of Sudoku # 2. Petaling Jaya: Twin Tree Publishing, 2009.
MLA (9th ed.) CitationLim, Teck Guan. Art Of Sudoku # 2. Twin Tree Publishing, 2009.
Warning: These citations may not always be 100% accurate.