Sadongdong, M. A. (2021). Galvez explains delayed signing of multi-party deals on vaccines. Manila Bulletin.
芝加哥风格引文Sadongdong, Martin A. "Galvez Explains Delayed Signing of Multi-party Deals on Vaccines." Manila Bulletin 2021.
MLA引文Sadongdong, Martin A. "Galvez Explains Delayed Signing of Multi-party Deals on Vaccines." Manila Bulletin, 2021.
警告：这些引文格式不一定是100％准确.