Hopkinson, D. (2021). The deadliest diseases then and now (First edition.). Scholastic Focus.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHopkinson, Deborah. The Deadliest Diseases Then and Now. First edition. New York: Scholastic Focus, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHopkinson, Deborah. The Deadliest Diseases Then and Now. First edition. Scholastic Focus, 2021.
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