Παραπομπή σε μορφή APA (7η εκδ.)

Koopmans, R., & Statham, P. (2000). Challenging immigration and ethnic relations politics: Comparative European perspectives. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Koopmans, Ruud, και Paul Statham. Challenging Immigration and Ethnic Relations Politics: Comparative European Perspectives. Oxford: Oxford University Press, 2000.

Παραπομπή σε μορφή MLA (9th εκδ.)

Koopmans, Ruud, και Paul Statham. Challenging Immigration and Ethnic Relations Politics: Comparative European Perspectives. Oxford University Press, 2000.