Pernia, E. M. (1999). Good news but no time to be complacent. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Pernia, Ernesto M. "Good News but No Time to Be Complacent." Philippine Daily Inquirer 1999.
MLA(9版)引用形式Pernia, Ernesto M. "Good News but No Time to Be Complacent." Philippine Daily Inquirer, 1999.
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