SOCKA, Anna. Reportive sollen+infinitive in interrogative sentences. Studia Germanica Gedanensia, [S. l.], n. 43, p. 163–179, 2020. DOI: 10.26881/sgg.2020.43.13. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/SGG/article/view/5360. Acesso em: 5 grudz. 2024.