Pechenik, J. A. (2005). Biology of the invertebrates. McGraw-Hill, Higher Education.
शिकागो स्टाइल उद्धरणPechenik, Jan A. Biology of the Invertebrates. McGraw-Hill, Higher Education, 2005.
एमएलए उद्धरणPechenik, Jan A. Biology of the Invertebrates. McGraw-Hill, Higher Education, 2005.
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