Mendoza, . R. (2020). PH approves Janssen vaccine clinical trials. Manila Times.
芝加哥风格引文Mendoza, Red. "PH Approves Janssen Vaccine Clinical Trials." Manila Times 2020.
MLA引文Mendoza, Red. "PH Approves Janssen Vaccine Clinical Trials." Manila Times, 2020.
警告：这些引文格式不一定是100％准确.