William G Hopkins. (1995). Introduction to plant physiology. New York: John Wiley.
शिकागो स्टाइल उद्धरणWilliam G Hopkins. Introduction to Plant Physiology. New York: John Wiley, 1995.
एमएलए उद्धरणWilliam G Hopkins. Introduction to Plant Physiology. New York: John Wiley, 1995.
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