Rola umowy w ustalaniu wynagrodzenia za pracę: [The role of contract in determining remuneration for work]. Studia Prawnicze / The Legal Studies, [S. l.], n. 2 (44), p. 43–93, 1975. DOI: 10.37232/sp.1975.2.2. Disponível em: https://czasopisma.inp.pan.pl/index.php/sp/article/view/3073. Acesso em: 5 oct. 2025.