Aglay, D. P. (2004). Oil-dependent RP taps more geothermal power. Manila Bulletin.
Cita Chicago (17th ed.)Aglay, Dolly P. "Oil-dependent RP Taps More Geothermal Power." Manila Bulletin 2004.
Cita MLA (9th ed.)Aglay, Dolly P. "Oil-dependent RP Taps More Geothermal Power." Manila Bulletin, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.