Walther, J. V. (2010). Essential of geochemistry (2nd ed.). Jones and Bartlett.
शिकागो स्टाइल उद्धरणWalther, John V. Essential of Geochemistry. 2nd ed. Boston: Jones and Bartlett, 2010.
एमएलए उद्धरणWalther, John V. Essential of Geochemistry. 2nd ed. Jones and Bartlett, 2010.
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