Borchardt, K. (1995). European integration: The origins, growth of the European Union (4th ed.). Office for Official Publications of the European Communities.
Citazione stile Chigago Style (17a edizione)Borchardt, Klaus-Dieter. European Integration: The Origins, Growth of the European Union. 4th ed. Luxembourg: Office for Official Publications of the European Communities, 1995.
Citatione MLA (9a ed.)Borchardt, Klaus-Dieter. European Integration: The Origins, Growth of the European Union. 4th ed. Office for Official Publications of the European Communities, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.