Patel. R.C. (1997). Elements of Heat Engines (II.). Achary Pub.
Lua i Stíl Chicago (17ú heag.)Patel. R.C. Elements of Heat Engines. II. Varoda: Achary Pub, 1997.
Lua MLA (9ú heag.)Patel. R.C. Elements of Heat Engines. II. Achary Pub, 1997.
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