Lua APA (7ú heag.)
Gupta, J. B. (2006). Theory and performance of electrical machines: Dc machines, polyphase circuits and ac machines (14th ed.). S. K. Kataria.
Lua i Stíl Chicago (17ú heag.)
Gupta, J. B. Theory and Performance of Electrical Machines: Dc Machines, Polyphase Circuits and Ac Machines. 14th ed. Delhi: S. K. Kataria, 2006.
Lua MLA (9ú heag.)
Gupta, J. B. Theory and Performance of Electrical Machines: Dc Machines, Polyphase Circuits and Ac Machines. 14th ed. S. K. Kataria, 2006.
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