Quarterly panorama of European business statistics: European Commission, Eurostat. Publ. Off.
Chicago-referens (17:e uppl.)Quarterly Panorama of European Business Statistics: European Commission, Eurostat. Luxembourg: Publ. Off.
MLA-referens (8:e uppl.)Quarterly Panorama of European Business Statistics: European Commission, Eurostat. Publ. Off.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.