Dyfyniad APA

Seth, M., & Vaish, M. (1971). Principles of economics/6e (5th ed.). Lakshmi narain agarwal.

Dyfyniad Arddull Chicago

Seth, M.L, and M.C Vaish. Principles of Economics/6e. 5th ed. Agra: Lakshmi narain agarwal, 1971.

Dyfyniad MLA

Seth, M.L, and M.C Vaish. Principles of Economics/6e. 5th ed. Lakshmi narain agarwal, 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.