SPASOWICZ, Włodzimierz. Co znaczy narodowość?. Books Now. Gdańsk Humanistic Journal, [S. l.], n. 3, p. 135–144, 2015. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/JednakKsiazki/article/view/449. Acesso em: 18 may. 2024.