APA (7e ed.) Bronvermelding

Duff, A., Pinder, J., & Pryce, R. (1994). Maastricht and beyond: Building the european union. Routledge.

Chicago (17e ed.) Bronvermelding

Duff, Andrew, John Pinder, en Roy Pryce. Maastricht and Beyond: Building the European Union. London: Routledge, 1994.

MLA (9e ed.) Bronvermelding

Duff, Andrew, et al. Maastricht and Beyond: Building the European Union. Routledge, 1994.