Bradford, S. C., & Lawrence, R. Z. (2004). Has globalization gone far enough?: The costs of fragmented markets. Institute for International Economics.

Bradford, Scott C., and Robert Z. Lawrence. Has Globalization Gone Far Enough?: The Costs of Fragmented Markets. Washington, DC: Institute for International Economics, 2004.

Bradford, Scott C., and Robert Z. Lawrence. Has Globalization Gone Far Enough?: The Costs of Fragmented Markets. Institute for International Economics, 2004.