Sadongdong, M. A. (2020). Galvez bares 'PH National Vaccine Roadmap' vs COVID-19. Manila Bulletin.
Cita Chicago (17th ed.)Sadongdong, Martin A. "Galvez Bares 'PH National Vaccine Roadmap' Vs COVID-19." Manila Bulletin 2020.
Cita MLA (9th ed.)Sadongdong, Martin A. "Galvez Bares 'PH National Vaccine Roadmap' Vs COVID-19." Manila Bulletin, 2020.
Atenció: Aquestes cites poden no estar 100% correctes.