APA

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: .

Chicago

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: .

Harvard

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: .

MLA

UNCTAD Secretariat, .Geneva: . .