Ostrom, E. (2005). Understanding institutional diversity. Princeton University Press.
Dyfyniad Arddull ChicagoOstrom, Elinor. Understanding Institutional Diversity. Princeton: Princeton University Press, 2005.
Dyfyniad MLAOstrom, Elinor. Understanding Institutional Diversity. Princeton University Press, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.