1. Ariely, D. (2012). The (honest) truth about dishonesty. New York: Harper Collins.
2. Aronson, E., & Aronson, J. (2012). The social animal, 11th edn. London: Macmillan.
3. BBC (2007).
http://news.bbc.co.uk/1/hi/uk/7102241.stm
. Accessed 12 June 2018.
4. Becker, G.S. (1974). Crime and punishment: an economic approach. Journal of Political Economy, 76(2), 169–217.
5. Behavioural Insights Team (2018).
https://www.behaviouralinsights.co.uk/
. Accessed 26 June 2018.