Toro, V. D. (2006). Electrical Engineering Fundamentals (2nd.). PHI.
Lua i Stíl Chicago (17ú heag.)Toro, Vincent Del. Electrical Engineering Fundamentals. 2nd. New Delhi: PHI, 2006.
Lua MLA (9ú heag.)Toro, Vincent Del. Electrical Engineering Fundamentals. 2nd. PHI, 2006.
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