Begley, C. (2021). The next apocalypse: The art and science of survival (First edition.). Basic Books, Hachette Book Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBegley, Chris. The Next Apocalypse: The Art and Science of Survival. First edition. New York, NY: Basic Books, Hachette Book Group, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBegley, Chris. The Next Apocalypse: The Art and Science of Survival. First edition. Basic Books, Hachette Book Group, 2021.
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