International data
- Companies House www.companieshouse.gov.uk
- EBRD - European Bank for Reconstruction and Development www.ebrd.com
- EFTA - Europejskie Stowarzyszenie Wolnego Handlu www.efta.int
- Eurex www.eurexchange.com
- Europa - The European Union On-Line www.europa.eu
- Europejski Trybunał Sprawiedliwości -www.curia.europa.eu
- Eurostat www.ec.europa.eu/eurostat
- Inland Revenue www.hmrc.gov.uk
- London Stock Exchange www.londonstockexchange.com
- OECD - Organisation for Economic Co-operation and Development www.oecd.org
- World Bank www.worldbank.org
- WTO - World Trade Organization www.wto.org
