APA (7th ed.) Zitazioa
Dwivedi, D. N. (2026). Principles of economics (Second edition.). Vikas Publishing House Pvt. Ltd..
Chicago Style (17th ed.) Zitazioa
Dwivedi, D. N. Principles of Economics. Second edition. New Delhi: Vikas Publishing House Pvt. Ltd., 2026.
MLA (9th ed.) Zitazioa
Dwivedi, D. N. Principles of Economics. Second edition. Vikas Publishing House Pvt. Ltd., 2026.
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