Lopez, E. H. (2002). Malampaya project heralds birth of natural gas industry. Manila Bulletin.
Chicagoスタイル(17版)引用形式Lopez, Edu H. "Malampaya Project Heralds Birth of Natural Gas Industry." Manila Bulletin 2002.
MLA(9版)引用形式Lopez, Edu H. "Malampaya Project Heralds Birth of Natural Gas Industry." Manila Bulletin, 2002.
警告: この引用は必ずしも正確ではありません.