Bergen, A. R. (1986). Power systems analysis. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Bergen, Arthur R. Power Systems Analysis. Englewood Cliffs, N.J.: Prentice-Hall, 1986.
Lua MLA (9ú heag.)Bergen, Arthur R. Power Systems Analysis. Prentice-Hall, 1986.
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