APA引文

Wells, S. J. (1969). International econmics. London: George Allen and Uwin.

Trích dẫn kiểu Chicago

Wells, Sidney J. International Econmics. London: George Allen and Uwin, 1969.

MLA引文

Wells, Sidney J. International Econmics. London: George Allen and Uwin, 1969.

警告：這些引文格式不一定是100％准確.