Pickering, A. The tortoise against modernity - grey walter, the brain, engineering and entertainment: Andrew Pickering. Conference Experimental Cultures: Configurations between Science, Art, and Technology, 1830 - 1950 : Berlin, 7 - 9 December 2001.(2002).
Chicago-viite (17. p.)Pickering, Andrew. "The Tortoise Against Modernity - Grey Walter, the Brain, Engineering and Entertainment: Andrew Pickering." Conference Experimental Cultures: Configurations Between Science, Art, and Technology, 1830 - 1950 : Berlin, 7 - 9 December 2001.(2002) .
MLA-viite (8. p.)Pickering, Andrew. "The Tortoise Against Modernity - Grey Walter, the Brain, Engineering and Entertainment: Andrew Pickering." Conference Experimental Cultures: Configurations Between Science, Art, and Technology, 1830 - 1950 : Berlin, 7 - 9 December 2001.(2002), .