Calayag, K. (2021). Duterte wants Filipinos to express their opinion on VFA. Manila Times.
Chicagoスタイル(17版)引用形式Calayag, Keith. "Duterte Wants Filipinos to Express Their Opinion on VFA." Manila Times 2021.
MLA(9版)引用形式Calayag, Keith. "Duterte Wants Filipinos to Express Their Opinion on VFA." Manila Times, 2021.
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