Reyes, A. (1998). PLDT reports P7.65-B profit, P35.622-B revenue in 1997. Manila Times.
Chicagoスタイル(17版)引用形式Reyes, Alex. "PLDT Reports P7.65-B Profit, P35.622-B Revenue in 1997." Manila Times 1998.
MLA(9版)引用形式Reyes, Alex. "PLDT Reports P7.65-B Profit, P35.622-B Revenue in 1997." Manila Times, 1998.
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