Hutt, W. H. (1977). The theory of idle resources: A study in definition (2d ed.). Liberty Press.
芝加哥风格引文Hutt, W. H. The Theory of Idle Resources: A Study in Definition. 2d ed. Indianapolis: Liberty Press, 1977.
MLA引文Hutt, W. H. The Theory of Idle Resources: A Study in Definition. 2d ed. Liberty Press, 1977.
警告：这些引文格式不一定是100％准确.