Kärkkäinen, A. (2008). EU-15 Foreign Direct Investment in the new Member States. Statistics in Focus: Economy and finance.
Chicago-referens (17:e uppl.)Kärkkäinen, Arya. "EU-15 Foreign Direct Investment in the New Member States." Statistics in Focus: Economy and Finance 2008.
MLA-referens (8:e uppl.)Kärkkäinen, Arya. "EU-15 Foreign Direct Investment in the New Member States." Statistics in Focus: Economy and Finance, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.