United Nations. Economic Commission for Europe. (1989). East-West joint venture contracts. United Nations.
Chicago Style (17. basım) AtıfUnited Nations. Economic Commission for Europe. East-West Joint Venture Contracts. New York: United Nations, 1989.
MLA (9th ed.) AtıfUnited Nations. Economic Commission for Europe. East-West Joint Venture Contracts. United Nations, 1989.
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