APA引文

(2003). Outline of the U.S. Economy. USA: United states Information Agency.

Trích dẫn kiểu Chicago

Outline of the U.S. Economy. USA: United states Information Agency, 2003.

MLA引文

Outline of the U.S. Economy. USA: United states Information Agency, 2003.

警告：這些引文格式不一定是100％准確.