APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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