Valencia, C. DENR slashes 5-yr mining investment targets. IN News. The Philippine Star.
Cita Chicago (17th ed.)Valencia, Czerina. "DENR Slashes 5-yr Mining Investment Targets. IN News." The Philippine Star .
Cita MLA (9th ed.)Valencia, Czerina. "DENR Slashes 5-yr Mining Investment Targets. IN News." The Philippine Star, .
Atenció: Aquestes cites poden no estar 100% correctes.