Παραπομπή σε μορφή APA (7η εκδ.)

Becker, G. S., & Coyle, D. (2011). The challenge of immigration: A radical solution. Institute of Economic Affairs.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Becker, Gary S., και Diane Coyle. The Challenge of Immigration: A Radical Solution. London: Institute of Economic Affairs, 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Becker, Gary S., και Diane Coyle. The Challenge of Immigration: A Radical Solution. Institute of Economic Affairs, 2011.