Greenshields, B. (1989). Government intervention in agriculture: Causes and effect. International Association of Agricultural economists.
シカゴスタイル引用形Greenshields, B. Government Intervention in Agriculture: Causes and Effect. U K: International Association of Agricultural economists, 1989.
MLA引用形式Greenshields, B. Government Intervention in Agriculture: Causes and Effect. International Association of Agricultural economists, 1989.
警告: この引用は必ずしも正確ではありません.