Dyfyniad APA

(1989). An Outline of American government. Washington D.C: U.S.International Communication Agency.

Dyfyniad Arddull Chicago

An Outline of American Government. Washington D.C: U.S.International Communication Agency, 1989.

Dyfyniad MLA

An Outline of American Government. Washington D.C: U.S.International Communication Agency, 1989.

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