Valente, . C. . S. (2021). Duterte fully vaccinated vs Covid-19 -- PSG chief. Manila Times.
芝加哥风格引文Valente, Catherine S. "Duterte Fully Vaccinated Vs Covid-19 -- PSG Chief." Manila Times 2021.
MLA引文Valente, Catherine S. "Duterte Fully Vaccinated Vs Covid-19 -- PSG Chief." Manila Times, 2021.
警告：这些引文格式不一定是100％准确.