1. 11 bit studios (b.d.). Raporty. Pobrano 10 maja 2022 z https://ir.11bitstudios.com/raporty
2. Batchelor, J. (2021, 18 listopada). 2021 delays show pandemic's biggest impact on games. GamesIndustry.biz. https://www.gamesindustry.biz/2021-delaysshow-pandemics-biggest-impact-on-games
3. CD Projekt. (b.d.). Raporty giełdowe. Pobrano 10 maja 2022 z https://www.cdprojekt.com/pl/inwestorzy/ raporty-gieldowe/
4. CI Games (b.d.). Raporty okresowe. Pobrano 10 maja 2022 z https://www.cigames.com/relacje-inwestorskie/raporty-okresowe/
5. Clement, J. (2022, 18 października). COVID-19 impact on the gaming industry worldwide - Statistics & Facts. Statista. https://www.statista.com/topics/8016/covid-19-impact-on-the-gaming-industryworldwide/#topicOverview