Simeon, L. M. (2017). Mining firms say Gina Lopez creating bigger problem. Philippine Star.
Chicagoスタイル(17版)引用形式Simeon, Louise Maureen. "Mining Firms Say Gina Lopez Creating Bigger Problem." Philippine Star 2017.
MLA(9版)引用形式Simeon, Louise Maureen. "Mining Firms Say Gina Lopez Creating Bigger Problem." Philippine Star, 2017.
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