Sadongdong, M. A. (2021). 1.3 M Moderna vaccines arrive. Manila Bulletin.
芝加哥风格引文Sadongdong, Martin A. "1.3 M Moderna Vaccines Arrive." Manila Bulletin 2021.
MLA引文Sadongdong, Martin A. "1.3 M Moderna Vaccines Arrive." Manila Bulletin, 2021.
警告：这些引文格式不一定是100％准确.