Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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