Duć-Fajfer, H. (2019). Вступ. Ksiegarnia Akademicka Publishing.
Chicago Style (17th ed.) CitationDuć-Fajfer, Helena. Вступ. Ksiegarnia Akademicka Publishing, 2019.
MLA (8th ed.) CitationDuć-Fajfer, Helena. Вступ. Ksiegarnia Akademicka Publishing, 2019.
Warning: These citations may not always be 100% accurate.