SKOWRON , Ryszard. Stanisław Grzybowski (6 V 1930 – 26 III 2022). Kwartalnik Historyczny, [S. l.], v. 131, n. 1, p. 197–202, 2024. Disponível em: https://apcz.umk.pl/KH/article/view/52830. Acesso em: 10 grudz. 2025.