Lua APA (7ú heag.)
Gupta, J. B. (2009). Utilization of electric power and electric traction (9th ed.). S.K.Kataria.
Lua i Stíl Chicago (17ú heag.)
Gupta, J. B. Utilization of Electric Power and Electric Traction. 9th ed. New Delhi: S.K.Kataria, 2009.
Lua MLA (9ú heag.)
Gupta, J. B. Utilization of Electric Power and Electric Traction. 9th ed. S.K.Kataria, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.