Williams, C. L., & Kalis, J. (2007). 24 games you can play on a checkerboard. Gibbs Smith, Publisher.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, Carol Lynch, और Jennifer Kalis. 24 Games You Can Play on a Checkerboard. Layton, Utah: Gibbs Smith, Publisher, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilliams, Carol Lynch, और Jennifer Kalis. 24 Games You Can Play on a Checkerboard. Gibbs Smith, Publisher, 2007.
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