Frank, R. H., Bernanke, B., & Johnston, L. (2009). Principles of economics (Brief edition.). McGraw-Hill/Irwin.
芝加哥风格引文Frank, Robert H., Ben Bernanke, 与 Louis Johnston. Principles of Economics. Brief edition. Boston: McGraw-Hill/Irwin, 2009.
MLA引文Frank, Robert H., et al. Principles of Economics. Brief edition. McGraw-Hill/Irwin, 2009.
警告：这些引文格式不一定是100％准确.