Tham khảo Khu đô thị Thượng Silesia

  1. 1 2 3 (tiếng Anh) European Spatial Planning Observation Network (ESPON) "ESPON project 1.4.3. Study on Urban Functions" Error in Webarchive template: Empty url. – Final report, March 2007,
  2. 1 2 (tiếng Anh) Eurostat, Urban Audit database Error in Webarchive template: Empty url., accessed on 2009-03-12. Data for 2004.
  3. 1 2 (tiếng Ba Lan) "Społeczne i polityczne zróżnicowanie aglomeracji w Polsce" – Paweł Swianiewicz, Urszula Klimska Error in Webarchive template: Empty url.; University of Warsaw 2005
  4. ↑ (tiếng Ba Lan) Funkcje Metropolitalne Pięciu Stolic Województw Wschodnich Error in Webarchive template: Empty url. – Tadeusz Markowski
  5. ↑ (tiếng Ba Lan) "Koncepcja przestrzennego zagospodarowania kraju" Error in Webarchive template: Empty url. – Ministry of Regional Development, 2003
  6. 1 2 (tiếng Ba Lan) "Górnośląskie Zagłębie Węglowe" Lưu trữ 2012-01-05 tại Wayback Machine – PWN Encyclopedia