Haider-Quercia, Ulrike. “I Profili Costituzionali Della Democrazia Interna Ai Partiti in Germania Ed in Austria”. DPCE Online 46, no. 1 (April 19, 2021). Accessed April 30, 2025. https://www.dpceonline.it/index.php/dpceonline/article/view/1255.