APA引文

(2013). Outline of U.S. government. USA: Bureau of International Information Programs.

Trích dẫn kiểu Chicago

Outline of U.S. Government. USA: Bureau of International Information Programs, 2013.

MLA引文

Outline of U.S. Government. USA: Bureau of International Information Programs, 2013.

警告：这些引文格式不一定是100％准确.