1. Economic Evolution
2. Bhaskar, Roy (1979). The Possibility of Naturalism. Brighton: Harvester Press
3. Varian, Hal R. (1990). Intermediate Microeconomics. A Modern Approach, 2nd edn. New York: W. W. Norton
4. Schumpeter, Joseph A. (1942). Capitalism, Socialism and Democracy, 2nd edn. New York: Harper, 106–110
5. Empirical realism as meta-method: Tony Lawson and neoclassical economics;Wade Hands;Ekonomia,1997