Sadongdong, M. A. (2021). Russia delivers 132,200 doses of Sputnik V vaccine to PH. Manila Bulletin.
Chicagoスタイル(17版)引用形式Sadongdong, Martin A. "Russia Delivers 132,200 Doses of Sputnik V Vaccine to PH." Manila Bulletin 2021.
MLA(9版)引用形式Sadongdong, Martin A. "Russia Delivers 132,200 Doses of Sputnik V Vaccine to PH." Manila Bulletin, 2021.
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