APA引文
Samuelson, P. A., & Nordhaus, W. D. (2010). Economics (19th ed.). Mcgraw-hill.
芝加哥风格引文
Samuelson, Paul A., 与 William D. Nordhaus. Economics. 19th ed. New Delhi: Mcgraw-hill, 2010.
MLA引文
Samuelson, Paul A., 与 William D. Nordhaus. Economics. 19th ed. Mcgraw-hill, 2010.
警告：这些引文格式不一定是100％准确.