Sadongdong, M. A. (2021). 15K Sputnik V jabs delivered to PH. Manila Bulletin.
芝加哥风格引文Sadongdong, Martin A. "15K Sputnik V Jabs Delivered to PH." Manila Bulletin 2021.
MLA引文Sadongdong, Martin A. "15K Sputnik V Jabs Delivered to PH." Manila Bulletin, 2021.
警告：这些引文格式不一定是100％准确.