Zeuthen, F. (1955). Economic theory and method. Longmans, Green.
芝加哥风格引文Zeuthen, Frederik. Economic Theory and Method. London: Longmans, Green, 1955.
MLA引文Zeuthen, Frederik. Economic Theory and Method. Longmans, Green, 1955.
警告：这些引文格式不一定是100％准确.
APA引文