National Research Council (U.S.). Committee on the Human Dimensions of Global Change, Ostrom, E., Diets, T., Dolsak, N., Stern, P. C., Stonich, S., & Weber, E. U. (2002). The Drama of the commons. National Academy Press.
Dyfyniad Arddull ChicagoNational Research Council (U.S.). Committee on the Human Dimensions of Global Change, Elinor Ostrom, Thomas Diets, Nives Dolsak, Paul C. Stern, Susan Stonich, and Elke U. Weber. The Drama of the Commons. Washington, DC: National Academy Press, 2002.
Dyfyniad MLANational Research Council (U.S.). Committee on the Human Dimensions of Global Change, et al. The Drama of the Commons. National Academy Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.