Akkerman, T., Lange, S. L. d., & Rooduijn, M. (2016). Radical right-wing populist parties in Western Europe: Into the mainstream? / ed. by Tjitske Akkerman, Sarah L. de Lange and Matthijs Rooduijn. Routledge.

Akkerman, Tjitske, Sarah L. de Lange, and Matthijs Rooduijn. Radical Right-wing Populist Parties in Western Europe: Into the Mainstream? / Ed. by Tjitske Akkerman, Sarah L. De Lange and Matthijs Rooduijn. London ; New York: Routledge, 2016.

Akkerman, Tjitske, et al. Radical Right-wing Populist Parties in Western Europe: Into the Mainstream? / Ed. by Tjitske Akkerman, Sarah L. De Lange and Matthijs Rooduijn. Routledge, 2016.