Cudak, Joanna; Wantuch, Anna; Razowska-Jaworek, Lidia. "Ruda Śląska" (in Polish). Polish Geologic Institute. p. 330. Archived from the original on 6 May 2023. Retrieved 6 May 2023.
"Local Data Bank". Statistics Poland. Retrieved 30 July 2022. Data for territorial unit 2472000.
eteryt.stat.gov.pl
"Główny Urząd Statystyczny" [Central Statistical Office] (in Polish). Select Miejscowości (SIMC) tab, select fragment (min. 3 znaki), enter town name in the field below, click WYSZUKAJ (Search)
Cudak, Joanna; Wantuch, Anna; Razowska-Jaworek, Lidia. "Ruda Śląska" (in Polish). Polish Geologic Institute. p. 330. Archived from the original on 6 May 2023. Retrieved 6 May 2023.
