BHARDWAJ, R. (1999). ELECTRICAL ENGINEERING. ASIAN PUBLISHERS.
Lua i Stíl Chicago (17ú heag.)BHARDWAJ, R. ELECTRICAL ENGINEERING. NEW DELHI: ASIAN PUBLISHERS, 1999.
Lua MLA (9ú heag.)BHARDWAJ, R. ELECTRICAL ENGINEERING. ASIAN PUBLISHERS, 1999.
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