缺少或|title=为空 (帮助) European election results 2009 for Poland. Results of the 2009 European Elections (98,9% of votes). PKW. [2009-06-08]. (原始内容存档于2012-04-01)
已针对1958年的补选结果进行了修正,即联合人民党的两个席位已经归属于统一工人党。 Richard F. Staar, Electionsin Communist Poland, Midwest Journal of Political Science, Vol. 2, No. 2 (May, 1958)
维基共享资源上的相关多媒体资源:波蘭觀光 International Tourist Arrivals by County of Destination (Poland). UNWTO World Tourism Barometer. World Tourism Organization. 2013 [27 October