Hubert, C. I. (2007). Electric machines: Theory, operation, applications, adjustment and control (Second edition.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Hubert, Charles I. Electric Machines: Theory, Operation, Applications, Adjustment and Control. Second edition. Upper Saddle River, NJ: Prentice Hall, 2007.
Lua MLA (8ú heag.)Hubert, Charles I. Electric Machines: Theory, Operation, Applications, Adjustment and Control. Second edition. Prentice Hall, 2007.
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