Umiński, Paweł. “RAISE OF THE AMERICAN SOCJETY INCOME INEQUALITIES AND THE UNITES STATES TAX POLICY IN 1975–2008”. Ekonomia i Prawo. Economics and Law 6, no. 1 (December 31, 2010): 419–434. Accessed July 17, 2024. https://apcz.umk.pl/EiP/article/view/EiP.2010.029.