Lerner, A. P. (1949). The Myth of the Parasitic Middleman: "Productive" and "Unproductive" Labor.
Chicago-Zitierstil (17. Ausg.)Lerner, Abba P. The Myth of the Parasitic Middleman: "Productive" and "Unproductive" Labor. New York, 1949.
MLA-Zitierstil (8. Ausg.)Lerner, Abba P. The Myth of the Parasitic Middleman: "Productive" and "Unproductive" Labor. 1949.
警告：这些引文格式不一定是100％准确.