Clement, C. Riding the winds of change in energy. IN Business News. Manila Bulletin.
Cita Chicago (17th ed.)Clement, Charlie. "Riding the Winds of Change in Energy. IN Business News." Manila Bulletin .
Cita MLA (9th ed.)Clement, Charlie. "Riding the Winds of Change in Energy. IN Business News." Manila Bulletin, .
Atenció: Aquestes cites poden no estar 100% correctes.