Duff, A., Pinder, J., & Pryce, R. (1994). Maastricht and beyond: Building the european union. Routledge.
Čikaški stil citiranja (17. izdanje)Duff, Andrew, John Pinder, i Roy Pryce. Maastricht and Beyond: Building the European Union. London: Routledge, 1994.
MLA način citiranja (9. izdanje)Duff, Andrew, et al. Maastricht and Beyond: Building the European Union. Routledge, 1994.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.