Young, A. (1980). Tropical soils and soil survey. Cambridge: Cambridge Univ. Press.
शिकागो स्टाइल उद्धरणYoung, Anthony. Tropical Soils and Soil Survey. Cambridge: Cambridge Univ. Press, 1980.
एमएलए उद्धरणYoung, Anthony. Tropical Soils and Soil Survey. Cambridge: Cambridge Univ. Press, 1980.
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