Ronda, R. A. (2008). Dagupan coed is Asia's Sudoku champ. Philippine Star.
Chicago Style (17th ed.) CitationRonda, Rainier Allan. "Dagupan Coed Is Asia's Sudoku Champ." Philippine Star 2008.
MLA引文Ronda, Rainier Allan. "Dagupan Coed Is Asia's Sudoku Champ." Philippine Star, 2008.
警告:這些引文格式不一定是100%准確.