Chapman, S. J. (2005). Electric machinery fundamentals (4th ed.). McGraw-Hill Higher Education.
Lua i Stíl Chicago (17ú heag.)Chapman, Stephen J. Electric Machinery Fundamentals. 4th ed. New York, NY: McGraw-Hill Higher Education, 2005.
Lua MLA (8ú heag.)Chapman, Stephen J. Electric Machinery Fundamentals. 4th ed. McGraw-Hill Higher Education, 2005.
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