Miraflor, M. B. Manila water starts construction of P4.2-B sewage treatment plant. IN Business News. Manila Bulletin.
Chicagoスタイル(17版)引用形式Miraflor, Madelaine B. "Manila Water Starts Construction of P4.2-B Sewage Treatment Plant. IN Business News." Manila Bulletin .
MLA(9版)引用形式Miraflor, Madelaine B. "Manila Water Starts Construction of P4.2-B Sewage Treatment Plant. IN Business News." Manila Bulletin, .
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