Charlotte Emigh (2011), "Subvocalization", Accelerated Reading, University of Puget Sound Center for Writing, Learning & Teaching, archived from the original on 27 May 2010, retrieved 17 October 2015
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Charlotte Emigh (2011), "Subvocalization", Accelerated Reading, University of Puget Sound Center for Writing, Learning & Teaching, archived from the original on 27 May 2010, retrieved 17 October 2015