SLUKA, Nikolay; PILKA, Martin. GLOBAL NATURE OF US CITIES: CORPORATE APPROACH. Ekonomichna ta Sotsialna Geografiya, Kyiv, Ukraine, v. 69, p. 86–94, 2014. DOI: 10.17721/2413-7154/2014.69.86-94. Disponível em: https://www.bulletin-esgeograph.org.ua/esg/article/view/69-sluka-et-al-86-94. Acesso em: 15 jul. 2026.