APA引文

Curzon, G. (1970). Hidden Barriers to International Trade. London: Trade policy research centre.

Trích dẫn kiểu Chicago

Curzon, Gerard. Hidden Barriers to International Trade. London: Trade policy research centre, 1970.

MLA引文

Curzon, Gerard. Hidden Barriers to International Trade. London: Trade policy research centre, 1970.

警告：這些引文格式不一定是100％准確.