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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)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.
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