Ellsworth, P. T. (1938). International economics. New York: The MacMillan Company.
Trích dẫn kiểu ChicagoEllsworth, P. T. International Economics. New York: The MacMillan Company, 1938.
MLA引文Ellsworth, P. T. International Economics. New York: The MacMillan Company, 1938.
警告:这些引文格式不一定是100%准确.