Manfred Lachs, The Teacher in International Law (Teachings and Teaching), The Hague-Boston-London, M. Nijhoff. Contemporary Central & East European Law, [S. l.], n. 3-4(63-64), p. 63–66, 1984. Disponível em: https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1186. Acesso em: 7 oct. 2025.