1. Alchian, A. A., & Demsetz, H. (2006 [1961]). Some Economics of Property. In The Collected Works of Armen A. Alchian. Volume 2: Property Rights and Economic Behavior (pp. 3–51). Liberty Fund.
2. Alchian, A. A., & Demsetz, H. (1972). Production, Information Costs, and Economic Organization. The American Economic Review, 62(5), 777–795.
3. Alchian, A. A., & Demsetz, H. (2006 [1973]). The Property Rights Paradigm. In The Collected Works of Armen A. Alchian. Volume 2: Property Rights and Economic Behavior (pp. 84–95). Liberty Fund.
4. Axelrod, R. (2006 [1984]). The Evolution of Cooperation. Basic Books.
5. Bierówka, J. (2009). Zasada wzajemności w społeczeństwie informacyjnym. Oficyna Wydawnicza AFM.