Leyco, C. S. (2016). Lower oil price boosts local firms output - DOF. Manila Bulletin.
Chicagoスタイル(17版)引用形式Leyco, Chino S. "Lower Oil Price Boosts Local Firms Output - DOF." Manila Bulletin 2016.
MLA(9版)引用形式Leyco, Chino S. "Lower Oil Price Boosts Local Firms Output - DOF." Manila Bulletin, 2016.
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