HOLMBERG, Anders. Questions, Answers, Polarity and Head Movement in Germanic and Finnish. Nordlyd, Tromsø, Norway, v. 31, n. 1, 2004. DOI: 10.7557/12.49. Disponível em: https://septentrio.uit.no/index.php/nordlyd/article/view/49. Acesso em: 4 may. 2026.