Peterson, W. L. (1983). Principles of economics: Macro. R.D. Irwin.
芝加哥风格引文Peterson, Willis L. Principles of Economics: Macro. Homewood, Ill: R.D. Irwin, 1983.
MLA引文Peterson, Willis L. Principles of Economics: Macro. R.D. Irwin, 1983.
警告：这些引文格式不一定是100％准确.