WINCŁAW, D. Wilhelm Schmid, Spokoj ducha. Co zyskujemy z wiekiem [Gelassenheit. Was wir gewinnen, wenn wir alter werden], translated by Barbara Niedźwiecka, Wydawnictwo W.A.B., Warszawa 2017, p. 128. Studies in the History of Philosophy, [S. l.], v. 10, n. 4, p. 85–91, 2020. DOI: 10.12775/szhf.2019.037. Disponível em: https://apcz.umk.pl/szhf/article/view/szhf.2019.037. Acesso em: 8 feb. 2023.