Winchell, A. N. (1968). Elements of optical mineralogy: :An introduction to microscopic petrography part II-description of minerals. Wiley eastern.
शिकागो स्टाइल उद्धरणWinchell, Alexander N. Elements of Optical Mineralogy: :An Introduction to Microscopic Petrography Part II-description of Minerals. New Delhi: Wiley eastern, 1968.
एमएलए उद्धरणWinchell, Alexander N. Elements of Optical Mineralogy: :An Introduction to Microscopic Petrography Part II-description of Minerals. Wiley eastern, 1968.
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