Uppal, S. L. (1998). Electrical power: Generation, transmission, distribution, switchgear and protection, utilization of electrical energy and electric traction in M.K.S. units. Khanna.
शिकागो स्टाइल उद्धरणUppal, S. L. Electrical Power: Generation, Transmission, Distribution, Switchgear and Protection, Utilization of Electrical Energy and Electric Traction in M.K.S. Units. New Delhi: Khanna, 1998.
एमएलए उद्धरणUppal, S. L. Electrical Power: Generation, Transmission, Distribution, Switchgear and Protection, Utilization of Electrical Energy and Electric Traction in M.K.S. Units. Khanna, 1998.
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