Não informado. (2010). The Electrical World and Electrical Engineer. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Não informado. The Electrical World and Electrical Engineer. New York: McGraw-Hill, 2010.
Lua MLA (8ú heag.)Não informado. The Electrical World and Electrical Engineer. McGraw-Hill, 2010.
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