Maciej Święcicki, Prawo pracy [Droit de travail], Warszawa 1968, PWN, 618 pages. Contemporary Central & East European Law, [S. l.], n. 13, p. 43–44, 1970. Disponível em: https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1483. Acesso em: 6 oct. 2025.