Eugenio, H. V. (1997). Government eyes 40 percent self-sufficiency in energy. Manila Times.
Cita Chicago (17th ed.)Eugenio, Haidee V. "Government Eyes 40 Percent Self-sufficiency in Energy." Manila Times 1997.
Cita MLA (9th ed.)Eugenio, Haidee V. "Government Eyes 40 Percent Self-sufficiency in Energy." Manila Times, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.