Dowd, E. (2022). "Cause unknown": The epidemic of sudden deaths in 2021 and 2022. Skyhorse Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDowd, Edward. "Cause Unknown": The Epidemic of Sudden Deaths in 2021 and 2022. New York: Skyhorse Publishing, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDowd, Edward. "Cause Unknown": The Epidemic of Sudden Deaths in 2021 and 2022. Skyhorse Publishing, 2022.
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