Mueller, D. C. (1996). Constitutional democracy. Oxford University Press.
Dyfyniad Arddull ChicagoMueller, Dennis C. Constitutional Democracy. New York: Oxford University Press, 1996.
Dyfyniad MLAMueller, Dennis C. Constitutional Democracy. Oxford University Press, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.