Smil, V., & Perring, S. (2022). How the world really works: The science behind how we got here and where we're going (Unabridged.). Penguin Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSmil, Vaclav, और Stephen Perring. How the World Really Works: The Science Behind How We Got Here and Where We're Going. Unabridged. New York: Penguin Audio, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSmil, Vaclav, और Stephen Perring. How the World Really Works: The Science Behind How We Got Here and Where We're Going. Unabridged. Penguin Audio, 2022.
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