Johnson, J. H. (1965). Introduction to electrical engineering. Pennsylvania: International Textbook Company.
शिकागो स्टाइल उद्धरणJohnson, James H. Introduction to Electrical Engineering. Pennsylvania: International Textbook Company, 1965.
एमएलए उद्धरणJohnson, James H. Introduction to Electrical Engineering. Pennsylvania: International Textbook Company, 1965.
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