APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：这些引文格式不一定是100％准确.