Casanova, S. (2003). Napocor to increase use of renewable energy, cites gain in reducing oil consumption. Manila Times.
Lua i Stíl Chicago (17ú heag.)Casanova, Sheryll. "Napocor to Increase Use of Renewable Energy, Cites Gain in Reducing Oil Consumption." Manila Times 2003.
Lua MLA (9ú heag.)Casanova, Sheryll. "Napocor to Increase Use of Renewable Energy, Cites Gain in Reducing Oil Consumption." Manila Times, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.