Chipongian, L. R. (1999). Investment in zones soar 42%. Manila Times.
Chicagoスタイル(17版)引用形式Chipongian, Lee R. "Investment in Zones Soar 42%." Manila Times 1999.
MLA(9版)引用形式Chipongian, Lee R. "Investment in Zones Soar 42%." Manila Times, 1999.
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