1. Robert Axelrod, The evolution of cooperation, Basic Books, Inc., New York, NY, 1984.
2. Richard Dawkins, The selfish gene, Oxford University Press, New York, NY, 1989.
3. Patrick Grim, Gary Mar, and Paul St. Denis, The philosophical computer: Exploratory essays in philosophical computer modeling, The MIT Press, Cambridge, MA, 1998.
4. David Hume, A treatise of human nature, Oxford: Clarendon, Oxford, UK, [1739] 1978, Selby-Bigge, ed.
5. R. Duncan Luce and Howard Raiffa, Games and decisions, John Wiley, New York, NY, 1957, Reprinted by Dover Books, 1989.