Greenshields, B. (1989). Government intervention in agriculture: Causes and effect. International Association of Agricultural economists.
शिकागो स्टाइल उद्धरणGreenshields, B. Government Intervention in Agriculture: Causes and Effect. U K: International Association of Agricultural economists, 1989.
एमएलए उद्धरणGreenshields, B. Government Intervention in Agriculture: Causes and Effect. International Association of Agricultural economists, 1989.
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