Walther, T. (1997). The world economy. New York: John Wiley and Sons.
Trích dẫn kiểu ChicagoWalther, Ted. The World Economy. New York: John Wiley and Sons, 1997.
MLA引文Walther, Ted. The World Economy. New York: John Wiley and Sons, 1997.
警告：這些引文格式不一定是100％准確.