UNCTAD Secretariat. Trade Relations Among Countries Having Different Economic and Social Systems. Review of trends and policies in trade between countries having different economic and social systems.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)UNCTAD Secretariat. Trade Relations Among Countries Having Different Economic and Social Systems. Review of Trends and Policies in Trade Between Countries Having Different Economic and Social Systems. Geneva.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)UNCTAD Secretariat. Trade Relations Among Countries Having Different Economic and Social Systems. Review of Trends and Policies in Trade Between Countries Having Different Economic and Social Systems.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.