APA-viite

Seth, M. (1997). Principles of economics (31st ed.). Lakshmi Narain Agarwal.

Chicago-tyylinen lähdeviittaus

Seth, M.L. Principles of Economics. 31st ed. Agra: Lakshmi Narain Agarwal, 1997.

MLA-viite

Seth, M.L. Principles of Economics. 31st ed. Lakshmi Narain Agarwal, 1997.