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Bolewicz, Jakub; Zachodny, Michał (12 January 2019). "Krystian Bielik o roku cierpienia, odbudowie i przyszłości" [Krystian Bielik on a year of suffering, reconstruction and the future]. Łaczy nas piłka (in Polish). Polish Football Association. Archived from the original on 28 April 2021. Retrieved 29 July 2022.
legia.com
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Grzelak, Krystian (4 July 2014). "Krystian Bielik zawodnikiem Legii" [Krystian Bielik is a Legia player] (in Polish). Legia Warsaw. Archived from the original on 21 January 2015. Retrieved 16 January 2015.