Sadongdong, M. A. (2021). PH receives 400,000 more vaccine donation from China. Manila Bulletin.
Chicagoスタイル(17版)引用形式Sadongdong, Martin A. "PH Receives 400,000 More Vaccine Donation from China." Manila Bulletin 2021.
MLA(9版)引用形式Sadongdong, Martin A. "PH Receives 400,000 More Vaccine Donation from China." Manila Bulletin, 2021.
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