Greenshields, B. (1989). Government intervention in agriculture: Causes and effect. International Association of Agricultural economists.
Chicago Edition CitationGreenshields, B. Government Intervention in Agriculture: Causes and Effect. U K: International Association of Agricultural economists, 1989.
MLA引文Greenshields, B. Government Intervention in Agriculture: Causes and Effect. International Association of Agricultural economists, 1989.
警告:这些引文格式不一定是100%准确.