APA (7th ed.) Zitazioa
Gupta, J. B. (2009). Utilization of electric power and electric traction (9th ed.). S.K.Kataria.
Chicago Style (17th ed.) Zitazioa
Gupta, J. B. Utilization of Electric Power and Electric Traction. 9th ed. New Delhi: S.K.Kataria, 2009.
MLA (9th ed.) Zitazioa
Gupta, J. B. Utilization of Electric Power and Electric Traction. 9th ed. S.K.Kataria, 2009.
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