Literatūra
Beigbeder, Yves, International Monitoring of Plebiscites, Referenda and National Elections: Self-Determination and Transition to Democracy, London: Martinus Nijhoff Publishers, 1994.
Bonaudi, Emilio, Pricipii di Diritto Pubblico, Torino: Unione tripografico – editrice torinese, 1936...