ZGONC, Bogdan. Liberalizacija prometnega trga in preobrazba železnice. Promet - Traffic&Transportation, [S. l.], v. 2, n. 5-6, p. 313–316, 2012. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1611. Acesso em: 6 mar. 2026.