Cheng, E. (2020). x + y: A mathematician's manifesto for rethinking gender (First US edition.). Basic Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCheng, Eugenia. X + Y: A Mathematician's Manifesto for Rethinking Gender. First US edition. New York: Basic Books, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCheng, Eugenia. X + Y: A Mathematician's Manifesto for Rethinking Gender. First US edition. Basic Books, 2020.
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