Bird, J. O. (1995). Electrical principles and technology for engineering. Newnes.
Lua i Stíl Chicago (17ú heag.)Bird, J. O. Electrical Principles and Technology for Engineering. Oxford: Newnes, 1995.
Lua MLA (9ú heag.)Bird, J. O. Electrical Principles and Technology for Engineering. Newnes, 1995.
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