1. European Footwear Statistics, 2005, http://europa.eu.int/comm/enterprise/footwear/statistics.htm.
2. EU market survey 2004: Footwear, Centre for the Promotion of Imports form Developing Countries (CBI), December 2004.
3. US Shoe Stats, http://www.apparelandfootwear.org/data/shoestats2005.pdf.