JAYAL,D.C. (1919). ELECTRICITY & ELECTRONICS. HIMALAYA PUB.
Lua i Stíl Chicago (17ú heag.)JAYAL,D.C. ELECTRICITY & ELECTRONICS. BOMBAY: HIMALAYA PUB, 1919.
Lua MLA (9ú heag.)JAYAL,D.C. ELECTRICITY & ELECTRONICS. HIMALAYA PUB, 1919.
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