Rosario, B. R. (2021). Host countries' preference for Pfizer, J&J, Moderna, AstraZeneca worries OFWs. Manila Bulletin.
Chicagoスタイル(17版)引用形式Rosario, Ben R. "Host Countries' Preference for Pfizer, J&J, Moderna, AstraZeneca Worries OFWs." Manila Bulletin 2021.
MLA(9版)引用形式Rosario, Ben R. "Host Countries' Preference for Pfizer, J&J, Moderna, AstraZeneca Worries OFWs." Manila Bulletin, 2021.
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