HAGEN, Sal. Polandball is of Reddit [online]. Amsterdam University of Applied Sciences, 15 November 2017. Dostupné online. Archivované 2021-08-14 z originálu.
HAGEN, Sal. Polandball is of Reddit: How r/polandball Transcends Memes through Carefully Curated Geopolitical Satire [online]. 15 November 2017. Dostupné online. Archivované 2020-09-28 z originálu.
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Ostrava Journal of English Philology [online]. University of Ostrava, 2016. Dostupné online. Archivované 2021-04-10 z originálu.
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Ostrava Journal of English Philology [online]. University of Ostrava, 2016. Dostupné online. Archivované 2021-04-10 z originálu.
HAGEN, Sal. Polandball is of Reddit: How r/polandball Transcends Memes through Carefully Curated Geopolitical Satire [online]. 15 November 2017. Dostupné online. Archivované 2020-09-28 z originálu.
HAGEN, Sal. Polandball is of Reddit [online]. Amsterdam University of Applied Sciences, 15 November 2017. Dostupné online. Archivované 2021-08-14 z originálu.