Katz, R. S. (1997). Democracy and elections. Oxford University Press.
Dyfyniad Arddull ChicagoKatz, Richard S. Democracy and Elections. New York: Oxford University Press, 1997.
Dyfyniad MLAKatz, Richard S. Democracy and Elections. Oxford University Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.