Trích dẫn APA

United Nations Industrial Development Organization. (1979). World-wide study of the agricultural machinery industry. U.S.A: United Nations Industrial Development Organization.

Trích dẫn kiểu Chicago

United Nations Industrial Development Organization. World-wide Study of the Agricultural Machinery Industry. U.S.A: United Nations Industrial Development Organization, 1979.

Trích dẫn MLA

United Nations Industrial Development Organization. World-wide Study of the Agricultural Machinery Industry. U.S.A: United Nations Industrial Development Organization, 1979.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.