Recuenco, A. B. (2018). PNP steps up poll campaign monitoring. Manila Bulletin.
Chicagoスタイル(17版)引用形式Recuenco, Aaron B. "PNP Steps Up Poll Campaign Monitoring." Manila Bulletin 2018.
MLA(9版)引用形式Recuenco, Aaron B. "PNP Steps Up Poll Campaign Monitoring." Manila Bulletin, 2018.
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