Dyfyniad APA

(2003). Uncertainty in American politics. Cambridge: Cambridge University Press.

Dyfyniad Arddull Chicago

Uncertainty in American Politics. Cambridge: Cambridge University Press, 2003.

Dyfyniad MLA

Uncertainty in American Politics. Cambridge: Cambridge University Press, 2003.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.