Παραπομπή APA

Bellamy, M., & Greenshields, B. ,. (1989). Government intervention in agriculture: Cause and effect. International association of agricultural economists.

Παραπομπή Chicago Style

Bellamy, Margot, και Bruce ,ed Greenshields. Government Intervention in Agriculture: Cause and Effect. UK: International association of agricultural economists, 1989.

Παραπομπή MLA

Bellamy, Margot, και Bruce ,ed Greenshields. Government Intervention in Agriculture: Cause and Effect. International association of agricultural economists, 1989.