Gupta B.R. (2010). Power System Analysaisi & Design. S.Chand.
Lua i Stíl Chicago (17ú heag.)Gupta B.R. Power System Analysaisi & Design. New Delhi: S.Chand, 2010.
Lua MLA (9ú heag.)Gupta B.R. Power System Analysaisi & Design. S.Chand, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.