Leftwich, R. H. (1966). The price system and resource allocation (3rd ed.). Holt Rinehart and Winston.
芝加哥风格引文Leftwich, Richard H. The Price System and Resource Allocation. 3rd ed. New York: Holt Rinehart and Winston, 1966.
MLA引文Leftwich, Richard H. The Price System and Resource Allocation. 3rd ed. Holt Rinehart and Winston, 1966.
警告：这些引文格式不一定是100％准确.