БОЙКО, В.Г. On the Differenciation of the Absolute and Relative Meanings of the Perfect Form of the English and Icelandic Languages. Kalbotyra, [S. l.], v. 43, n. 3, p. 11–29, 1995. Disponível em: https://test.zurnalai.vu.lt/kalbotyra/article/view/23430. Acesso em: 26 oct. 2025.