Commons, J. R., & Parsons, K. H. (1950). The economics of collective action. Macmillan.
Cita Chicago (17th ed.)Commons, John Rogers, i Kenneth H. Parsons. The Economics of Collective Action. New York: Macmillan, 1950.
Cita MLA (9th ed.)Commons, John Rogers, i Kenneth H. Parsons. The Economics of Collective Action. Macmillan, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.