Leftwich, R. H. (1970). Introduction to microeconomics. Holt, Rinehart and Winston.
芝加哥风格引文Leftwich, Richard H. Introduction to Microeconomics. New York: Holt, Rinehart and Winston, 1970.
MLA引文Leftwich, Richard H. Introduction to Microeconomics. Holt, Rinehart and Winston, 1970.
警告：这些引文格式不一定是100％准确.