Krugman, P. R., & Wells, R. (2009). Microeconomics (2nd ed.). Worth Publishers.
芝加哥风格引文Krugman, Paul R., 与 Robin Wells. Microeconomics. 2nd ed. New York, NY: Worth Publishers, 2009.
MLA引文Krugman, Paul R., 与 Robin Wells. Microeconomics. 2nd ed. Worth Publishers, 2009.
警告：这些引文格式不一定是100％准确.