APA-referens (7:e uppl.)
ebrary, Inc, Guild, E., Groenendijk, C. A., & Carrera, S. (2009). Illiberal liberal states: Immigration, citizenship, and integration in the EU. Ashgate Pub..
Chicago-referens (17:e uppl.)
ebrary, Inc, Elspeth Guild, C. A. Groenendijk, och Sergio Carrera. Illiberal Liberal States: Immigration, Citizenship, and Integration in the EU. Farnham, Surrey ; Burlington, VT: Ashgate Pub., 2009.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. Illiberal Liberal States: Immigration, Citizenship, and Integration in the EU. Ashgate Pub., 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.