- ru.us.edu.vn en/Dawid_Janczyk^ "FIFA U-20 World Cup Canada 2007: List of Players: Poland" (PDF). FIFA. 5 July 2007. p. 18. Archived from the original (PDF) on 15 October 2019. ^
- by.tribuna.com football/person/dawid-janczyk/news/
- transfermarkt.com dawid-janczyk/profil/spieler/…Dawid Janczyk, 36, from Poland LKS Szaflary, since 2023 Centre-Forward Market value: -* Sep 23, 1987 in Nowy Sącz, Poland...
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- instagram.com david.jancik/262 Followers, 175 Following, 100 Posts - See Instagram photos and videos from David Jančík (@david.jancik)...
- ru.wikipedia.org Янчик, Давид
- national-football-teams.com player/29041/Dawid_…FIFA. Non FIFA. Season. Country. M. S. G. M. S. G. 2009.
- vk.com wall-23281547_3822979
- rsport.ria.ru 20220419/yanchik-1784115443.html