Frank, N. H. (1950). Introduction to electricity and optics (2nd ed.). McGraw-Hill.
शिकागो स्टाइल उद्धरणFrank, Nathaniel H. Introduction to Electricity and Optics. 2nd ed. New York: McGraw-Hill, 1950.
एमएलए उद्धरणFrank, Nathaniel H. Introduction to Electricity and Optics. 2nd ed. McGraw-Hill, 1950.
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