Duff, A., Pinder, J., & Pryce, R. (1994). Maastricht and beyond: Building the european union. Routledge.
Chicago-čujuhus (17. p.)Duff, Andrew, John Pinder, juo Roy Pryce. Maastricht and Beyond: Building the European Union. London: Routledge, 1994.
MLA-čujuhus (9. p.)Duff, Andrew, et al. Maastricht and Beyond: Building the European Union. Routledge, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.