Nardo, D. (2021). COVID-19 and other pandemics: A comparison. ReferencePoint Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNardo, Don. COVID-19 and Other Pandemics: A Comparison. San Diego, CA: ReferencePoint Press, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNardo, Don. COVID-19 and Other Pandemics: A Comparison. ReferencePoint Press, 2021.
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