1. Alcindor, Y. (2017). “Ben Carson Calls Poverty a ‚State of Mind‘, Igniting a Backlash.” New York Times, 25.05.2017. https://nyti.ms/2qZcLjl (retrieved on 25.05.2017)
2. Ash, M., Geuter, U. (1985). Geschichte der deutschen Psychologie im 20. Jahrhundert. Opladen: Westdeutscher Verlag.
3. Baumeister, R. F., Bratslavsky, E., Muraven, M., Tice, D. M. (1998). “Ego Depletion: Is the Active Self a Limited Resource?” Journal of Personality and Social Psychology 74, no. 5 S. 1252–1265.
4. Baumeister, R. F., Tierney, J. M. (2011). Willpower: Rediscovering the Greatest Human strength. New York: Penguin UK.
5. Boden, M. A. (2008). Mind as machine. A history of cognitive science. Oxford: Oxford University Press.