Unite, B. K. (2021). Concepcion, OCTA recommend booster after 4 months. Manila Bulletin.
Chicagoスタイル(17版)引用形式Unite, Betheena Kae. "Concepcion, OCTA Recommend Booster After 4 Months." Manila Bulletin 2021.
MLA(9版)引用形式Unite, Betheena Kae. "Concepcion, OCTA Recommend Booster After 4 Months." Manila Bulletin, 2021.
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