APA引文

Dwivedi, D. N. (2005). Principles of economics (2nd rev.ed.). Vikas Publishing House.

Chicago Edition Citation

Dwivedi, D N. Principles of Economics. 2nd rev.ed. Noida: Vikas Publishing House, 2005.

MLA引文

Dwivedi, D N. Principles of Economics. 2nd rev.ed. Vikas Publishing House, 2005.

警告：這些引文格式不一定是100％准確.