Valente, C. S. (2021). PH signs deal for 20 million Moderna doses. Manila Times.
芝加哥风格引文Valente, Catherine S. "PH Signs Deal for 20 Million Moderna Doses." Manila Times 2021.
MLA引文Valente, Catherine S. "PH Signs Deal for 20 Million Moderna Doses." Manila Times, 2021.
警告：这些引文格式不一定是100％准确.