SCHMID, Wolfgang P. Über die Wortarten. Baltistica, [S. l.], v. 8, n. -, p. 165–167, 1972. DOI: 10.15388/baltistica.0.1.712. Disponível em: https://www.journals.vu.lt/baltistica/article/view/42435. Acesso em: 8 birž. 2026.