Pan, I. L. (1997). Napocor to award 7 contracts. Manila Times.
Chicagoスタイル(17版)引用形式Pan, Isabel L. "Napocor to Award 7 Contracts." Manila Times 1997.
MLA(9版)引用形式Pan, Isabel L. "Napocor to Award 7 Contracts." Manila Times, 1997.
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