Velasco, M. M. (1999). PNOC petrochen park in Bataan declared as special economic zone. Manila Bulletin.
Chicagoスタイル(17版)引用形式Velasco, Myrna M. "PNOC Petrochen Park in Bataan Declared as Special Economic Zone." Manila Bulletin 1999.
MLA(9版)引用形式Velasco, Myrna M. "PNOC Petrochen Park in Bataan Declared as Special Economic Zone." Manila Bulletin, 1999.
警告: この引用は必ずしも正確ではありません.