Não informado. (1981). Electronic Servicing & Technology. Intertec.
Lua i Stíl Chicago (17ú heag.)Não informado. Electronic Servicing & Technology. Overland Park, Kan: Intertec, 1981.
Lua MLA (8ú heag.)Não informado. Electronic Servicing & Technology. Intertec, 1981.
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