Debarros, Anthony; Cadden, Mary; DeRamus, Kristin; Schnaars, Christopher. The top 100 titles of 2008. USA Today. 2009-01-14 [2009-01-15]. (原始内容存档于2011-08-05).
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Debarros, Anthony; Cadden, Mary; DeRamus, Kristin; Schnaars, Christopher. The top 100 titles of 2008. USA Today. 2009-01-14 [2009-01-15]. (原始内容存档于2011-08-05).