Sadongdong, M. A. (2021). Over 1 million Filipinos inoculated. Manila Bulletin.
Chicagoスタイル(17版)引用形式Sadongdong, Martin A. "Over 1 Million Filipinos Inoculated." Manila Bulletin 2021.
MLA(9版)引用形式Sadongdong, Martin A. "Over 1 Million Filipinos Inoculated." Manila Bulletin, 2021.
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