The fourth congress of the international economic association & Machlup,Fritz. (1976). Economic integration: Worldwide, regional , sectoral : proceedings of the fourth congress of the international economic association held in Budapest, Hungary. Mac Millan.
Trích dẫn kiểu ChicagoThe fourth congress of the international economic association và Machlup,Fritz. Economic Integration: Worldwide, Regional , Sectoral : Proceedings of the Fourth Congress of the International Economic Association Held in Budapest, Hungary. London: Mac Millan, 1976.
Trích dẫn MLAThe fourth congress of the international economic association và Machlup,Fritz. Economic Integration: Worldwide, Regional , Sectoral : Proceedings of the Fourth Congress of the International Economic Association Held in Budapest, Hungary. Mac Millan, 1976.