1. Amador , J. S. Cabral J. R. Maria 2007 International Trade Patterns over the Last Four Decades: How Does Portugal Compare with other Cohesion Countries? Banco de Portugal
2. Trade Costs;Anderson;Journal of Economic Literature,2004
3. Barry , F. 2011 FDI, Inter-Industry Linkages and the Emergence of an Irish Indigenous Software Export Cluster
4. Barry , F. A. Bergin 2010 Ireland’s Inward FDI over the Recession and Beyond Trinity College Dublin