Raphel, A. (2020). Thinking inside the box: Adventures with crosswords and the puzzling people who can't live without them. Penguin Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRaphel, Adrienne. Thinking Inside the Box: Adventures with Crosswords and the Puzzling People Who Can't Live Without Them. New York: Penguin Press, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRaphel, Adrienne. Thinking Inside the Box: Adventures with Crosswords and the Puzzling People Who Can't Live Without Them. Penguin Press, 2020.
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