FFreeThinker. (2012, May 23). James Randi and the one million dollar paranormal challenge [Video file]. По данным сайта http://www.youtube.com/watch?v=4Ja6ronAWsY.
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The Skeptic’s Dictionary. (2013, December 29). Randi $1,000,000 paranormal challenge. По данным сайта http://skepdic.com/randi.html.
