Cita APA (7th ed.)
Ulla Neergaard, E. S. Social Services of General Interest in the EU. Asser.
Cita Chicago (17th ed.)
Ulla Neergaard, Erika Szyszczak. Social Services of General Interest in the EU. La Haya, Holanda: Asser.
Cita MLA (9th ed.)
Ulla Neergaard, Erika Szyszczak. Social Services of General Interest in the EU. Asser.
Atenció: Aquestes cites poden no estar 100% correctes.