Rovira Kaltwasser, Cristóbal (2018). «How to define populism? Reflections on a contested concept and its (mis)use in the social sciences». In: Fitzi, Gregor; Mackert, Juergen; Turner, Bryan (Eds.). Populism and the Crisis of Democracy. Volume 1 (Concepts and Theory). New York: Routledge. p. 62. ISBN9781315108070. doi:10.4324/9781315108070-5
Weyland, Kurt (2001). «Clarifying a Contested Concept: Populism in the Study of Latin American Politics». Comparative Politics. 34 (1): 1-22. doi:10.2307/422412
Freeden, Michael (2017). «After the Brexit referendum: revisiting populism as an ideology». Journal of Political Ideologies. 22 (1). doi:10.1080/13569317.2016.1260813
Mondon, Aurelien (2022). «Epistemologies of ignorance in far right studies: the invisibilisation of racism and whiteness in times of populist hype». Acta Politica. doi:10.1057/s41269-022-00271-6
Rovira Kaltwasser, Cristóbal (2018). «How to define populism? Reflections on a contested concept and its (mis)use in the social sciences». In: Fitzi, Gregor; Mackert, Juergen; Turner, Bryan (Eds.). Populism and the Crisis of Democracy. Volume 1 (Concepts and Theory). New York: Routledge. p. 62. ISBN9781315108070. doi:10.4324/9781315108070-5