APA引文

Greenshields, B. (1989). Government intervention in agriculture: Causes and effect. International Association of Agricultural economists.

Chicago Edition Citation

Greenshields, 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.