COGNOLA, Federica; WALKDEN, George. Pro-drop in interrogatives and declaratives.: A parallel study of Old High German and Old Italian. Linguistik Online, Bern, v. 100, n. 7, p. 95–140, 2019. DOI: 10.13092/lo.100.6020. Disponível em: https://bop.unibe.ch/linguistik-online/article/view/6020. Acesso em: 14 may. 2025.