Mendoza, . R. (2020). Manufacturers assure safe Covid-19 vaccine. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMendoza, Red. "Manufacturers Assure Safe Covid-19 Vaccine." Manila Times 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMendoza, Red. "Manufacturers Assure Safe Covid-19 Vaccine." Manila Times, 2020.
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