Cervantes, D. (1999). Cerilles lifts quarrying ban in three C. Luzon provinces. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Cervantes, Ding. "Cerilles Lifts Quarrying Ban in Three C. Luzon Provinces." Philippine Star 1999.
Lua MLA (9ú heag.)Cervantes, Ding. "Cerilles Lifts Quarrying Ban in Three C. Luzon Provinces." Philippine Star, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.