1. Andersen, J. G. y T. Bjørklund (1990): “Structural changes and new cleavages: The Progress Parties in Denmark and Norway”, Acta Sociologica, 33 (3), pp. 195 –217.
2. Antón, J. y E. Ruiz (1998): “Fascismo: la utopía fascista”, en J. Antón Mellón, coord., Ideologías y movimientos políticos contemporáneos, Madrid, Tecnos, pp 131-166.
3. Bergman, T. (2000): “Sweden: When Minority Cabinets Are the Rule and Majority Coalitions the Exception”, en W. Muller y K. Strom, eds., Coalition Governments in Western Europe, Oxford University Press, pp. 192-230.
4. Beyens, S., P. Lucardie y K. Deschouwer (2016): “The Life and Death of New Political Parties in the Low Countries”, West European Politics, 39 (2), pp. 257-277. doi:10.1080/01402382.2015.1066589
5. Bischof, D. (2017): “Towards a renewal of the niche party concept: Parties, market shares and condensed offers”, Party Politics, 23(39), pp. 220-235.