Mańczak, Witold. “About the Etymology of the Name Polska”. In Geographical Names in Physical Space, edited by Artur Gałkowski and Renata Gliwa, 13–17. Linguistics. Poland: Lodz University Press, 2016. Accessed July 25, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1753/chapter/5315.