Ripley, A., & Potter, K. (2024). The unthinkable (revised and updated): Who survives when disaster strikes—and why (Unabridged.). Books on Tape.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRipley, Amanda, और Kirsten Potter. The Unthinkable (revised and Updated): Who Survives When Disaster Strikes—and Why. Unabridged. New York: Books on Tape, 2024.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRipley, Amanda, और Kirsten Potter. The Unthinkable (revised and Updated): Who Survives When Disaster Strikes—and Why. Unabridged. Books on Tape, 2024.
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