Mendoza, . R. (2021). 6 PH firms eye vaccine manufacturing plants. Manila Times.
芝加哥风格引文Mendoza, Red. "6 PH Firms Eye Vaccine Manufacturing Plants." Manila Times 2021.
MLA引文Mendoza, Red. "6 PH Firms Eye Vaccine Manufacturing Plants." Manila Times, 2021.
警告：这些引文格式不一定是100％准确.