Ober. The Rise and Fall of Classical Greece. Princeton University Press.
Dyfyniad Arddull ChicagoOber. The Rise and Fall of Classical Greece. Princeton University Press.
Dyfyniad MLAOber. The Rise and Fall of Classical Greece. Princeton University Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.