(1989). An Outline of American government. Washington D.C: U.S.International Communication Agency.
Chicago Stili AlıntıAn Outline of American Government. Washington D.C: U.S.International Communication Agency, 1989.
MLA AlıntıAn Outline of American Government. Washington D.C: U.S.International Communication Agency, 1989.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..