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