BLOCK, Walter E. Thin and Thick Libertarianism. Dialogi Polityczne, [S. l.], n. 19, p. 11–20, 2016. DOI: 10.12775/DP.2015.013. Disponível em: https://apcz.umk.pl/DP/article/view/DP.2015.013. Acesso em: 2 lip. 2025.