- R.J. Palacio. Wonder. New York: Alfred A. Knopf, 2012.
- "R.J. Palacio Author Page." 2011. 5/20/2016. <http://rjpalacio.com/index.html>.
- "Wonder by R.J. Palacio." PenguinRandomHouse.com. 2011. 5/25/2016. <http://www.penguinrandomhouse.com/books/208913/wonder-by-r-j-palacio/9780375869020/>.
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