APA-referens (7:e uppl.)

(2008). Immigration, integration, and security: America and Europe in comparative perspective. University of Pittsburgh.

Chicago-referens (17:e uppl.)

Immigration, Integration, and Security: America and Europe in Comparative Perspective. University of Pittsburgh, 2008.

MLA-referens (8:e uppl.)

Immigration, Integration, and Security: America and Europe in Comparative Perspective. University of Pittsburgh, 2008.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.