(2011). PSHS stude wins Math Olympiad crown. Philippine Star.
Lua i Stíl Chicago (17ú heag.)"PSHS Stude Wins Math Olympiad Crown." Philippine Star 2011.
Lua MLA (9ú heag.)"PSHS Stude Wins Math Olympiad Crown." Philippine Star, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.