APA引文

Hawtrey, R. G. (1926). The economic problem. London: Longmans.

Trích dẫn kiểu Chicago

Hawtrey, R. G. The Economic Problem. London: Longmans, 1926.

MLA引文

Hawtrey, R. G. The Economic Problem. London: Longmans, 1926.

警告：這些引文格式不一定是100％准確.