CHILLA, Solveig; BONNESEN, Matthias. A Cross-linguistic Perspective on Questions in German and French Adult Second Language Acquisition. Linguistik Online, Bern, v. 57, n. 7, 2012. DOI: 10.13092/lo.57.248. Disponível em: https://bop.unibe.ch/linguistik-online/article/view/6302. Acesso em: 15 may. 2025.