Herrera, C. (1997). Researchers show why PDI is no.1. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Herrera, Christine. "Researchers Show Why PDI Is No.1." Philippine Daily Inquirer 1997.
MLA(9版)引用形式Herrera, Christine. "Researchers Show Why PDI Is No.1." Philippine Daily Inquirer, 1997.
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