European Commission (Brussels, Belgium). (2012). Pocketbook on the enlargement countries: 2012 edition. Publications Office of the European Union.
Chicago-Zitierstil (17. Ausg.)European Commission (Brussels, Belgium). Pocketbook on the Enlargement Countries: 2012 Edition. Luxembourg: Publications Office of the European Union, 2012.
MLA-Zitierstil (9. Ausg.)European Commission (Brussels, Belgium). Pocketbook on the Enlargement Countries: 2012 Edition. Publications Office of the European Union, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.