Kraus, J. D. (1978). Electro-magnetics = Listrik Magnit I John D. Kraus. Alumni.
Lua i Stíl Chicago (17ú heag.)Kraus, John D. Electro-magnetics = Listrik Magnit I John D. Kraus. Alumni, 1978.
Lua MLA (8ú heag.)Kraus, John D. Electro-magnetics = Listrik Magnit I John D. Kraus. Alumni, 1978.
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