Kreppel, A. (2002). The European parliament and supranational party system: A study in institutional development. Cambridge: Cambridge University Press.
Παραπομπή Chicago StyleKreppel, Amie. The European Parliament and Supranational Party System: A Study in Institutional Development. Cambridge: Cambridge University Press, 2002.
Παραπομπή MLAKreppel, Amie. The European Parliament and Supranational Party System: A Study in Institutional Development. Cambridge: Cambridge University Press, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.