APA引文

Schroeder, R. C. (1999). An outline of American Government. USA: United states Information agency.

Trích dẫn kiểu Chicago

Schroeder, Richard C. An Outline of American Government. USA: United states Information agency, 1999.

MLA引文

Schroeder, Richard C. An Outline of American Government. USA: United states Information agency, 1999.

警告：这些引文格式不一定是100％准确.