Chavez, C. A. QC explores waste-to-energy. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Chavez, Chito A. "QC Explores Waste-to-energy." Manila Bulletin .
Lua MLA (9ú heag.)Chavez, Chito A. "QC Explores Waste-to-energy." Manila Bulletin, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.