Jabarkan Lihat Pula dari Perbatasan terbuka

Austria, Denmark, Prancis, Jerman, Norwegia, dan Swedia telah memberlakukan pengontrolan sementara di perbatasan mereka karena sedang terjadinya Krisis migran Eropa

Barry, Brian, dan Robert E. Goodin, eds. 1992. Free Movement: Ethical Issues in the Transnational Migration of People and of Money. University Park, PA: Pennsylvania State University Press.

Bauder, Harald. 2017. Migration Borders Freedom. London: Routledge.

Blake, Michael. 2003. "Imigrasi." Dalam A Companion to Applied Ethics, ed. R. G. Frey dan C. H. Wellman. Oxford: Blackwell

Bosniak, Linda. 2006. Warga Negara dan Orang Asing: Dilema Keanggotaan Kontemporer. Princeton: Princeton University Press.

Brubaker, W. R, ed. 1989.

Imigrasi dan Politik Kewarganegaraan di Eropa dan Amerika Utara. Lanham, MD: Universitas Press of America.

Cole, Phillip. 2000. Philosophies of Exclusion: Liberal Political Theory and Immigration. Edinburgh: Edinburgh University Press.

Dauvergne, Catherine. 2008. Making People Illegal: What Globalization Means for Migration and Law. Cambridge: Cambridge University Press.

Dummett, Michael. 2001. Tentang Imigrasi dan Pengungsi. London: Routledge.

Etika dan Ekonomi 2006. Volume 4.1. Isu khusus tentang imigrasi.

Gibney, Mark, ed. 1988. Open Borders? Closed Societies? The Ethical and Political Issues. New York: Greenwood Press.