Wheare, K. C. (1964). Federal government (4th ed.). Oxford University Press.
Dyfyniad Arddull ChicagoWheare, K. C. Federal Government. 4th ed. New York: Oxford University Press, 1964.
Dyfyniad MLAWheare, K. C. Federal Government. 4th ed. Oxford University Press, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.