Alcantara, N. (1997). Dam silt piling up, but execs helpless. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Alcantara, Nathan. "Dam Silt Piling Up, but Execs Helpless." Philippine Daily Inquirer 1997.
MLA(9版)引用形式Alcantara, Nathan. "Dam Silt Piling Up, but Execs Helpless." Philippine Daily Inquirer, 1997.
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