KÜPPER, Herbert. Beyond Europe: Integrated Markets in Other Parts of the World. In: SZILÁGYI, János Ede; MARINKÁS, György (eds.). Maastricht 30: A Central European Perspective. Miskolc–Budapest: Studies of the Central European Professors’ Network,2025. p. 303–320. DOI: 10.54237/profnet.2025.jeszgymmcep_12. Disponível em: https://books.ceapublishing.hu/index.php/ceaprofnet/catalog/book/16/chapter/145. Acesso em: 3 aug. 2025.