Howe, C. Q., & Purves, D. (2005). The Müller-Lyer illusion explained by the statistics of image–source relationships. National Academy of Sciences.
Chicago-tyylinen lähdeviittausHowe, Catherine Q., ja Dale Purves. The Müller-Lyer Illusion Explained By the Statistics of Image–source Relationships. National Academy of Sciences, 2005.
MLA-viiteHowe, Catherine Q., ja Dale Purves. The Müller-Lyer Illusion Explained By the Statistics of Image–source Relationships. National Academy of Sciences, 2005.
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