Columbia subject headings:
Citizenship--European Union countries.
European Parliament. Directive 2004/38/EC.
Freedom of movement--European Union countries.
Harvard subject headings:
Citizenship--European Union countries
European Parliament. Directive 2004/38/EC.
Freedom of movement--European Union countries
Law commentaries.
Statutes and codes.
Princeton subject headings:
Citizenship--European Union countries.
European Parliament. Directive 2004/38/EC
Freedom of movement--European Union countries.