Casanova, S. B. (2003). Contractors defend Luzon hydroelectric power plant. Manila Times.
Chicagoスタイル(17版)引用形式Casanova, Sheryll B. "Contractors Defend Luzon Hydroelectric Power Plant." Manila Times 2003.
MLA(9版)引用形式Casanova, Sheryll B. "Contractors Defend Luzon Hydroelectric Power Plant." Manila Times, 2003.
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