Subrahmanyam, V. (1994). Electric drives: Concepts and applications. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Subrahmanyam, Vedam. Electric Drives: Concepts and Applications. New York: McGraw-Hill, 1994.
Lua MLA (9ú heag.)Subrahmanyam, Vedam. Electric Drives: Concepts and Applications. McGraw-Hill, 1994.
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