APA引文

Chisholm, M. (1973). Geography and economics. London: G. Bell & Sons, LTD.

Trích dẫn kiểu Chicago

Chisholm, Michael. Geography and Economics. London: G. Bell & Sons, LTD, 1973.

MLA引文

Chisholm, Michael. Geography and Economics. London: G. Bell & Sons, LTD, 1973.

警告：這些引文格式不一定是100％准確.