1. U.S. Is Far from Barrier Free;O'Shea;Chicago Tribune,1983
2. The Spreading Nationalization of European Industry;Walters;Columbia Journal of World Business,1981
3. Japan: Why It's a Hard Sell,1982
4. International Dimensions of Marketing;Terpstra,1982
5. International Trade Reporter: Export Shipping Manual (Washington, D.C., The Bureau of International Affairs).