Ropke, W. (1960). A humane economy: The social framework of the free market. H. Regnery.
芝加哥风格引文Ropke, Wilhelm. A Humane Economy: The Social Framework of the Free Market. Chicago: H. Regnery, 1960.
MLA引文Ropke, Wilhelm. A Humane Economy: The Social Framework of the Free Market. H. Regnery, 1960.
警告：这些引文格式不一定是100％准确.