Samuelson, P. A., & Nordhaus, W. D. (1998). Economics (16th ed.). Irwin/McGraw-Hill.
芝加哥风格引文Samuelson, Paul Anthony, 与 William D. Nordhaus. Economics. 16th ed. Boston, Mass: Irwin/McGraw-Hill, 1998.
MLA引文Samuelson, Paul Anthony, 与 William D. Nordhaus. Economics. 16th ed. Irwin/McGraw-Hill, 1998.
警告：这些引文格式不一定是100％准确.