BOS, A. Geerten Waling, Zetelroof. Fractiediscipline en afsplitsing in de Tweede Kamer 1917-2017. BMGN - Low Countries Historical Review, [S. l.], v. 133, 2018. DOI: 10.18352/bmgn-lchr.10528. Disponível em: https://bmgn-lchr.nl/article/view/6771. Acesso em: 3 may. 2024.