Sadongdong, M. A. (2020). Galvez bares 'PH National Vaccine Roadmap' vs COVID-19. Manila Bulletin.
芝加哥风格引文Sadongdong, Martin A. "Galvez Bares 'PH National Vaccine Roadmap' Vs COVID-19." Manila Bulletin 2020.
MLA引文Sadongdong, Martin A. "Galvez Bares 'PH National Vaccine Roadmap' Vs COVID-19." Manila Bulletin, 2020.
警告：这些引文格式不一定是100％准确.