MERTELJ, D. Nuovo Espresso 1, 2, 3 (za ravni A1, A2, B1). Journal for Foreign Languages, [S. l.], v. 7, n. 1, p. 319–323, 2015. DOI: 10.4312/vestnik.7.319-323. Disponível em: https://revije.ff.uni-lj.si/Vestnik/article/view/5642. Acesso em: 24 jul. 2021.