Cita APA (7th ed.)
Dwivedi, D. N. (2026). Principles of economics (Second edition.). Vikas Publishing House Pvt. Ltd..
Cita Chicago (17th ed.)
Dwivedi, D. N. Principles of Economics. Second edition. New Delhi: Vikas Publishing House Pvt. Ltd., 2026.
Cita MLA (9th ed.)
Dwivedi, D. N. Principles of Economics. Second edition. Vikas Publishing House Pvt. Ltd., 2026.
Atenció: Aquestes cites poden no estar 100% correctes.