Bloomberg. (2020). Russia's new Sputnik launch raises risks in dash for COVID shots. Manila Bulletin.
芝加哥风格引文Bloomberg. "Russia's New Sputnik Launch Raises Risks in Dash for COVID Shots." Manila Bulletin 2020.
MLA引文Bloomberg. "Russia's New Sputnik Launch Raises Risks in Dash for COVID Shots." Manila Bulletin, 2020.
警告：这些引文格式不一定是100％准确.