APA引文

Marshall , A. (1920). Principles of economics (8th ed.). Macmillan.

Chicago Edition Citation

Marshall , Alfred. Principles of Economics. 8th ed. London: Macmillan, 1920.

MLA引文

Marshall , Alfred. Principles of Economics. 8th ed. Macmillan, 1920.

警告：這些引文格式不一定是100％准確.