(1982). Methods of soil analysis. Wisconsin: American Society of Agronomy, Inc.
शिकागो स्टाइल उद्धरणMethods of Soil Analysis. Wisconsin: American Society of Agronomy, Inc, 1982.
एमएलए उद्धरणMethods of Soil Analysis. Wisconsin: American Society of Agronomy, Inc, 1982.
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