Sadongdong, M. A. (2021). PH gets first batch of Moderna vaccines: A million more doses of Sinovac shots arrive. Manila Bulletin.
Chicago-referens (17:e uppl.)Sadongdong, Martin A. "PH Gets First Batch of Moderna Vaccines: A Million More Doses of Sinovac Shots Arrive." Manila Bulletin 2021.
MLA-referens (9:e uppl.)Sadongdong, Martin A. "PH Gets First Batch of Moderna Vaccines: A Million More Doses of Sinovac Shots Arrive." Manila Bulletin, 2021.
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