Pojęcie umowy dostawy: [Concept of supply contract]. Studia Prawnicze / The Legal Studies, [S. l.], n. 4 (42), p. 99–114, 2023. DOI: 10.37232/sp.1974.4.4. Disponível em: https://czasopisma.inp.pan.pl/index.php/sp/article/view/3113. Acesso em: 5 oct. 2025.