Guieb, M. (2001). Cordillera to shoulder cost of developing indigenous energy sources. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Guieb, Marilou. "Cordillera to Shoulder Cost of Developing Indigenous Energy Sources." Philippine Star 2001.
Lua MLA (9ú heag.)Guieb, Marilou. "Cordillera to Shoulder Cost of Developing Indigenous Energy Sources." Philippine Star, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.