Dwivedi, D. N. (2008). Managerial economics (7th.). Vikas Publishing House Pvt Ltd.
Lua i Stíl Chicago (17ú heag.)Dwivedi, D. N. Managerial Economics. 7th. New Delhi: Vikas Publishing House Pvt Ltd, 2008.
Lua MLA (9ú heag.)Dwivedi, D. N. Managerial Economics. 7th. Vikas Publishing House Pvt Ltd, 2008.
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