(1993). Harmonization of frontier controls of goods: Acts and proceedings of the International Symposium on Harmonization of Frontier Controls of Goods, Ljubljana, 2 - 4 October 1991. United Nations.
Chicago-Zitierstil (17. Ausg.)Harmonization of Frontier Controls of Goods: Acts and Proceedings of the International Symposium on Harmonization of Frontier Controls of Goods, Ljubljana, 2 - 4 October 1991. New York: United Nations, 1993.
MLA-Zitierstil (9. Ausg.)Harmonization of Frontier Controls of Goods: Acts and Proceedings of the International Symposium on Harmonization of Frontier Controls of Goods, Ljubljana, 2 - 4 October 1991. United Nations, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.