Sadongdong, M. A. (2020). Gov't faces vaccine confidence issues. Manila Bulletin.
Chicagoスタイル(17版)引用形式Sadongdong, Martin A. "Gov't Faces Vaccine Confidence Issues." Manila Bulletin 2020.
MLA(9版)引用形式Sadongdong, Martin A. "Gov't Faces Vaccine Confidence Issues." Manila Bulletin, 2020.
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