APA-referens (7:e uppl.)
ebrary, Inc, & Koopmans, R. (2005). Contested citizenship: Immigration and cultural diversity in Europe. University of Minnesota Press.
Chicago-referens (17:e uppl.)
ebrary, Inc, och Ruud Koopmans. Contested Citizenship: Immigration and Cultural Diversity in Europe. Minneapolis: University of Minnesota Press, 2005.
MLA-referens (9:e uppl.)
ebrary, Inc, och Ruud Koopmans. Contested Citizenship: Immigration and Cultural Diversity in Europe. University of Minnesota Press, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.