Ridley, M. (2025). Birds, sex and beauty: The extraordinary implications of Charles Darwin's strangest idea (First U.S. edition.). Harper, an imprint of HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRidley, Matt. Birds, Sex and Beauty: The Extraordinary Implications of Charles Darwin's Strangest Idea. First U.S. edition. New York: Harper, an imprint of HarperCollins Publishers, 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRidley, Matt. Birds, Sex and Beauty: The Extraordinary Implications of Charles Darwin's Strangest Idea. First U.S. edition. Harper, an imprint of HarperCollins Publishers, 2025.
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