Steven Pinker, The Language Instinct (New York: Harper Perennial Modern Classics, 2007), стр. 190–191.
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Christopher Drew, “For iRobot, the Future Is Getting Closer”, New York Times, 2 марта 2012 г., http://www.nytimes.com/2012/03/03/technology/for-irobot-thefuture-is-getting-closer.html.
