Chavez, C. A. (2021). Why the vaccination target was not reached. Manila Bulletin.
Chicagoスタイル(17版)引用形式Chavez, Chito A. "Why the Vaccination Target Was Not Reached." Manila Bulletin 2021.
MLA(9版)引用形式Chavez, Chito A. "Why the Vaccination Target Was Not Reached." Manila Bulletin, 2021.
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