Velasco, M. M. (2018). Sixth oil price hike this year takes effect. Manila Bulletin.
Chicagoスタイル(17版)引用形式Velasco, Myrna M. "Sixth Oil Price Hike This Year Takes Effect." Manila Bulletin 2018.
MLA(9版)引用形式Velasco, Myrna M. "Sixth Oil Price Hike This Year Takes Effect." Manila Bulletin, 2018.
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