Mendoza, . R. (2021). Sputnik V showed high, lingering efficacy vs Covid-19 – study. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMendoza, Red. "Sputnik V Showed High, Lingering Efficacy Vs Covid-19 – Study." Manila Times 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMendoza, Red. "Sputnik V Showed High, Lingering Efficacy Vs Covid-19 – Study." Manila Times, 2021.
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