Lenk, J. D. (1969). Handbook of electronic meters: Theory and application. Prentice-Hall of India.
शिकागो स्टाइल उद्धरणLenk, John D. Handbook of Electronic Meters: Theory and Application. New Jersey: Prentice-Hall of India, 1969.
एमएलए उद्धरणLenk, John D. Handbook of Electronic Meters: Theory and Application. Prentice-Hall of India, 1969.
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