McMahon, A. (2000). Change, chance, and optimality. Oxford: University Press.
Dyfyniad Arddull ChicagoMcMahon, April. Change, Chance, and Optimality. Oxford: University Press, 2000.
Dyfyniad MLAMcMahon, April. Change, Chance, and Optimality. Oxford: University Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.