APA引文

Peterson, W. L. (1974). Principles of Economics: Macro. Irwin.

芝加哥风格引文

Peterson, Willis L. Principles of Economics: Macro. London: Irwin, 1974.

MLA引文

Peterson, Willis L. Principles of Economics: Macro. Irwin, 1974.

警告：这些引文格式不一定是100％准确.