Hoefnagels, M. (2009). Biology: Concepts and investigations. Boston: McGraw-Hill Higher Education.
शिकागो स्टाइल उद्धरणHoefnagels, Mariëlle. Biology: Concepts and Investigations. Boston: McGraw-Hill Higher Education, 2009.
एमएलए उद्धरणHoefnagels, Mariëlle. Biology: Concepts and Investigations. Boston: McGraw-Hill Higher Education, 2009.
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