SOMMER, Tomasz. Liberalizm gospodarczy. Historia i Polityka, [S. l.], n. 6 (13), p. 19–22, 2011. DOI: 10.12775/HiP.2011.022. Disponível em: https://apcz.umk.pl/HiP/article/view/HiP.2011.022. Acesso em: 11 sty. 2025.