Samuelson, P. A., & Nordhaus, W. D. (2001). Economics (17th ed.). McGraw-Hill.
芝加哥风格引文Samuelson, Paul Anthony, 与 William D. Nordhaus. Economics. 17th ed. Boston, Mass.: McGraw-Hill, 2001.
MLA引文Samuelson, Paul Anthony, 与 William D. Nordhaus. Economics. 17th ed. McGraw-Hill, 2001.
警告：这些引文格式不一定是100％准确.