Weedy, B. M. (1977). Electric power systems (2nd ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)Weedy, Birron Mathew. Electric Power Systems. 2nd ed. Chichester: Wiley, 1977.
Lua MLA (9ú heag.)Weedy, Birron Mathew. Electric Power Systems. 2nd ed. Wiley, 1977.
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