Tortora, G. J. (1973). Plant form and function: An introduction to plant science. Macmillan.
शिकागो स्टाइल उद्धरणTortora, Gerald J. Plant Form and Function: An Introduction to Plant Science. New York: Macmillan, 1973.
एमएलए उद्धरणTortora, Gerald J. Plant Form and Function: An Introduction to Plant Science. Macmillan, 1973.
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