Villas-Alavaren, A. L. MMDA dredges creeks and rivers. Manila Bulletin.
Chicagoスタイル(17版)引用形式Villas-Alavaren, Anna Liza. "MMDA Dredges Creeks and Rivers." Manila Bulletin .
MLA(9版)引用形式Villas-Alavaren, Anna Liza. "MMDA Dredges Creeks and Rivers." Manila Bulletin, .
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