Hortillo, J. N. M. An assessment of the Philippine 1990 energy crisis.
Cita Chicago (17th ed.)Hortillo, Jose Neil M. An Assessment of the Philippine 1990 Energy Crisis.
Cita MLA (9th ed.)Hortillo, Jose Neil M. An Assessment of the Philippine 1990 Energy Crisis.
Atenció: Aquestes cites poden no estar 100% correctes.