Rivera, B. (2001). Ayala Bridge found too weak. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Rivera, Blanche. "Ayala Bridge Found Too Weak." Philippine Daily Inquirer 2001.
MLA(9版)引用形式Rivera, Blanche. "Ayala Bridge Found Too Weak." Philippine Daily Inquirer, 2001.
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