Lange, O. (1963). Political economy. New York: The MacMillan Company.
Trích dẫn kiểu ChicagoLange, Oskar. Political Economy. New York: The MacMillan Company, 1963.
MLA引文Lange, Oskar. Political Economy. New York: The MacMillan Company, 1963.
警告：这些引文格式不一定是100％准确.