Casanova, S. (2003). Napocor to increase use of renewable energy, cites gain in reducing oil consumption. Manila Times.
Cita Chicago (17th ed.)Casanova, Sheryll. "Napocor to Increase Use of Renewable Energy, Cites Gain in Reducing Oil Consumption." Manila Times 2003.
Cita MLA (9th ed.)Casanova, Sheryll. "Napocor to Increase Use of Renewable Energy, Cites Gain in Reducing Oil Consumption." Manila Times, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.