LITYŃSKI, Piotr. Metropolitan Urban Sprawl and Mobility: Core City Estimation of Financial Losses due to Commuting. Rozwój Regionalny i Polityka Regionalna, [S. l.], n. 42, p. 39–48, 2018. Disponível em: https://pressto.amu.edu.pl/index.php/rrpr/article/view/16530. Acesso em: 2 grudz. 2024.