Sadongdong, M. A. (2021). 13.68 M COVID shots for 'Bayanihan, Bakunahan'. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Sadongdong, Martin A. "13.68 M COVID Shots for 'Bayanihan, Bakunahan'." Manila Bulletin 2021.
Lua MLA (9ú heag.)Sadongdong, Martin A. "13.68 M COVID Shots for 'Bayanihan, Bakunahan'." Manila Bulletin, 2021.
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