Naciones Unidas. (1991). The Challenge of free economic zones in Central and Eastern Europe: International perspectives. United Nations.
Chicago Style (17th ed.) CitationNaciones Unidas. The Challenge of Free Economic Zones in Central and Eastern Europe: International Perspectives. New York: United Nations, 1991.
MLA (9th ed.) CitationNaciones Unidas. The Challenge of Free Economic Zones in Central and Eastern Europe: International Perspectives. United Nations, 1991.