Beekman, M. (2025). The origin of language: How we learned to speak and why (First Simon & Schuster hardcover edition.). Simon & Schuster.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeekman, Madeleine. The Origin of Language: How We Learned to Speak and Why. First Simon & Schuster hardcover edition. New York: Simon & Schuster, 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBeekman, Madeleine. The Origin of Language: How We Learned to Speak and Why. First Simon & Schuster hardcover edition. Simon & Schuster, 2025.
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