Ronda, R. A. (2010). PSHS wins prestigious math tourney 3 years in a row, keeps 'iimmortality trophy'. Philippine Star.
Citazione stile Chigago Style (17a edizione)Ronda, Rainier Allan. "PSHS Wins Prestigious Math Tourney 3 Years in a Row, Keeps 'Iimmortality Trophy'." Philippine Star 2010.
Citatione MLA (9a ed.)Ronda, Rainier Allan. "PSHS Wins Prestigious Math Tourney 3 Years in a Row, Keeps 'Iimmortality Trophy'." Philippine Star, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.