Marks-Bielska, Renata, Wiesława Lizińska, et Izabela Serocka. « The United States As the Trade Partner of Poland in Te Context of the Transatlantic Trade and Investment Partnership (TTIP) ». Olsztyn Economic Journal 9, no. 3 (septembre 19, 2014): 201–213. Consulté le juillet 22, 2024. https://czasopisma.uwm.edu.pl/index.php/oej/article/view/3176.