TRAVERSA, Edoardo. New Own Resources for the EU Budget: Good Old Taxes Could also Do the Job. W: KUKULSKI, Ziemowit; SĘK, Małgorzata (red.). Challenges of Contemporary Tax Law: Jubilee Book Dedicated to Professor Włodzimierz Nykiel. Volume II. Poland: Wydawnictwo Uniwersytetu Łódzkiego,2024. p. 303–309. DOI: 10.18778/8331-399-3.24. Disponível em: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1154/chapter/3171. Acesso em: 14 luty. 2026.