APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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