Strayer, J. R. (1971). Medieval Statecraft and the parspectives of History. Princeton University Press.
Dyfyniad Arddull ChicagoStrayer, Joseph R. Medieval Statecraft and the Parspectives of History. New Jersey: Princeton University Press, 1971.
Dyfyniad MLAStrayer, Joseph R. Medieval Statecraft and the Parspectives of History. Princeton University Press, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.