Bambini, G. (2008). International trade of the European Union in 2007. Statistics in focus: External trade.
Chicago-referens (17:e uppl.)Bambini, Gilberto. "International Trade of the European Union in 2007." Statistics in Focus: External Trade 2008.
MLA-referens (8:e uppl.)Bambini, Gilberto. "International Trade of the European Union in 2007." Statistics in Focus: External Trade, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.