Van Norman, R. (1971). Experimental biology (2nd ed.). Prentice-Hall of India.
शिकागो स्टाइल उद्धरणVan Norman, Richard. Experimental Biology. 2nd ed. New Jersey: Prentice-Hall of India, 1971.
एमएलए उद्धरणVan Norman, Richard. Experimental Biology. 2nd ed. Prentice-Hall of India, 1971.
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