APA
Keuschnigg C., Keuschnigg M. & Kohler W. (1999). Eastern Enlargement to the EU: Economic Costs and Benefits for the EU Present Member States? Germany. Brüssel: European Commission.
Chicago
Keuschnigg Christian, Keuschnigg Mirela and Kohler Wilhelm. 1999. Eastern Enlargement to the EU: Economic Costs and Benefits for the EU Present Member States? Germany. Brüssel: European Commission.
Harvard
Keuschnigg C., Keuschnigg M. and Kohler W. (1999). Eastern Enlargement to the EU: Economic Costs and Benefits for the EU Present Member States? Germany. Brüssel: European Commission.
MLA
Keuschnigg Christian, Keuschnigg Mirela and Kohler Wilhelm. Eastern Enlargement to the EU: Economic Costs and Benefits for the EU Present Member States? Germany. Brüssel: European Commission. 1999.