Cita APA (7a ed.)

Dwivedi, D. N. (1985). Principles of economics. Vikas Publishing House Pvt Ltd..

Cita Chicago Style (17a ed.)

Dwivedi, D. N. Principles of Economics. New Delhi: Vikas Publishing House Pvt Ltd., 1985.

Cita MLA (8a ed.)

Dwivedi, D. N. Principles of Economics. Vikas Publishing House Pvt Ltd., 1985.