Unsworth, M. H., & Ormrod, D. P. (1982). Effects of gaseous air pollution in agriculture and horticulture [proceedings]. Butterworths.
शिकागो स्टाइल उद्धरणUnsworth, M. H., और D. P. Ormrod. Effects of Gaseous Air Pollution in Agriculture and Horticulture [proceedings]. London: Butterworths, 1982.
एमएलए उद्धरणUnsworth, M. H., और D. P. Ormrod. Effects of Gaseous Air Pollution in Agriculture and Horticulture [proceedings]. Butterworths, 1982.
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