Khurmi R.S & Gupta J.K. (2020). Theory of Machanes (01st.). S.Chand Publisher.
Lua i Stíl Chicago (17ú heag.)Khurmi R.S agus Gupta J.K. Theory of Machanes. 01st. New Delhi: S.Chand Publisher, 2020.
Lua MLA (9ú heag.)Khurmi R.S agus Gupta J.K. Theory of Machanes. 01st. S.Chand Publisher, 2020.
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