Khurmi R.S. (2001). Strenght of Material. S.Chand.
Lua i Stíl Chicago (17ú heag.)Khurmi R.S. Strenght of Material. New Delhi: S.Chand, 2001.
Lua MLA (9ú heag.)Khurmi R.S. Strenght of Material. S.Chand, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.