Dyfyniad APA
Ellis, R. (1993). American political cultures. Oxford University Press.
Dyfyniad Arddull Chicago
Ellis, Richard. American Political Cultures. New York: Oxford University Press, 1993.
Dyfyniad MLA
Ellis, Richard. American Political Cultures. Oxford University Press, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.