Valente, . C. . S. (2021). Govt ready to roll out Sputnik vaccine. Manila Times.
芝加哥风格引文Valente, Catherine S. "Govt Ready to Roll Out Sputnik Vaccine." Manila Times 2021.
MLA引文Valente, Catherine S. "Govt Ready to Roll Out Sputnik Vaccine." Manila Times, 2021.
警告：这些引文格式不一定是100％准确.