Gupta,J B. (2017). Utilization of Electric Power and Electric Traction. Kataria.
Lua i Stíl Chicago (17ú heag.)Gupta,J B. Utilization of Electric Power and Electric Traction. New Delhi: Kataria, 2017.
Lua MLA (9ú heag.)Gupta,J B. Utilization of Electric Power and Electric Traction. Kataria, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.