Richard P Pohanish. (1997). Rapid guide to hazardous chemicals in the environment. New York: Van Nostrand Reinhold.
शिकागो स्टाइल उद्धरणRichard P Pohanish. Rapid Guide to Hazardous Chemicals in the Environment. New York: Van Nostrand Reinhold, 1997.
एमएलए उद्धरणRichard P Pohanish. Rapid Guide to Hazardous Chemicals in the Environment. New York: Van Nostrand Reinhold, 1997.
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