APA引文

Seth,M.L. (1999). Principles of economics (33rd rev. ed.). Lakshmi Narain Agarwal.

Chicago Edition Citation

Seth,M.L. Principles of Economics. 33rd rev. ed. Agra: Lakshmi Narain Agarwal, 1999.

MLA引文

Seth,M.L. Principles of Economics. 33rd rev. ed. Lakshmi Narain Agarwal, 1999.

警告：這些引文格式不一定是100％准確.