APA (7 वां संस्करण) प्रशस्ति पत्र
Horton, D. M., & Nielsen, G. R. (2005). Walking George: The life of George John Beto and the rise of the modern Texas prison system. University of North Texas Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Horton, David M., और George R. Nielsen. Walking George: The Life of George John Beto and the Rise of the Modern Texas Prison System. Denton, Texas: University of North Texas Press, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Horton, David M., और George R. Nielsen. Walking George: The Life of George John Beto and the Rise of the Modern Texas Prison System. University of North Texas Press, 2005.
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