Zaremba, Marcin (2004). "Good bye, Gierek!". Polityka (in Polish). 45 (2477): 79. Archived from the original on 4 March 2016. Retrieved 17 October 2013.
Zaremba, Marcin (2004). "Good bye, Gierek!". Polityka (in Polish). 45 (2477): 79. Archived from the original on 4 March 2016. Retrieved 17 October 2013.