1. Arnone M., Iliopulos E. (2005) La corruzione costa: effetti economici, istituzionali e sociali, Vita e Pensiero, pp. 58-61.
2. The organization makers: a behavioral study of independent entrepreneurs;Collins,1964
3. Toward Formal Representations of Search Processes and Routines in Organizational Problem Solving: An Assessment of the State-of-the-Art;Dosi;Seoul Journal of Economics,2011
4. The Capitalist World-System and the Russian Economy in an Epoch Of Crisis;Dzarasov;Herald of the Russian Academy of Sciences,2011
5. Eurostat (2014a) Structural Business Statistics. Business Demography (http://ec.europa.eu/eurostat/web/structural-business-statistics/entrepreneurship/business-demography).