Loucks, W. N. (1969). Comparative economic systems (8th ed.). Harper & Row.
芝加哥风格引文Loucks, William Negele. Comparative Economic Systems. 8th ed. New York: Harper & Row, 1969.
MLA引文Loucks, William Negele. Comparative Economic Systems. 8th ed. Harper & Row, 1969.
警告：这些引文格式不一定是100％准确.